ReviewsBook Communication System

EPEVER 60A MPPT Charge Controller 48V 36V 24V 12V Auto, 60 amp Negative Ground Solar Controller MPPT Max 150V Input fit for Litium Sealed (AGM) Gel Flooded User Battery

  • Negative Ground Tracer AN series MPPT Controller: 12V/24V/36V/48V Auto identifying system voltage. Auto control system to limit the charging power & current go over the rated value..
  • Max Input Current: 60 amp: Max Input Solar Power: 750W/12V 1500W/24V 2250W/36V 3000W/48V.
  • Real-time energy recording and statistical..
  • 60A Mppt Charge Controller support for 4 type Battery charging : Litium, Lead-acid (Sealed, AGM, Gel, Flooded) and User (couldn’t set Lithium). Battery temperature compensation function to ensure the controller’s life..
  • RS-485 communication bus interface and Modbus communication protocol, available to meet various communication requirements in different situations..
  • The stocks starting from August 2020 are all upgraded versions that support lithium batteries.Please always connect the battery before connect the solar panel..
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Wireless Intercom System Hosmart 1/2 Mile LONG RANGE 7-Channel Security Wireless Intercom System for Home or Office (New Version) [3 stations Black][NOT WIRELESS CHARGER]

  • Individually Function and Easy Using: Powerful and Individually Function, Monitor, Talk, VOX(Voice Operated Exchange), Group call function. Monitor function can monitor 24 hours at once. Group function (conference call) can call all the stations in the intercom system..
  • Voice Crystal Clear and Secure Digital Communication: Duo to anti-interference signal technology and secret digital channel, the wireless intercom system works perfectly for you in any place, secure digital communication, connect ability to our walkie-talkies and wireless intercom doorbell system..
  • Wide Using Range and Support by Power Bank: This wireless intercom system can use in a wide range, homes, offices, etc. It can support by a power bank (5V 1A) so you can take devices to any place you want. And it can work with other brand devices by the same digital channel code..
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Audio-Technica ATH-AG1X Closed Back High-Fidelity Gaming Headset Compatible with PS4, Laptops and PC

  • GAME IN STYLE: Audio-Technica ATH-AG1X is compatible with most platforms including the PS4, laptops, and PCs. Also compatible with Xbox One using the Xbox One Stereo Headset Adapter..
  • HANDS-FREE COMMUNICATION: The Audio Technica ATH-AG1x comes complete with a built-in microphone and crystal-clear in-game voice communication. Communication has never been easier before..
  • EASY TO USE: The built-in volume control and microphone mute switch makes for easy one-handed operation. It also comes equipped with a 3.9' (1.2 m) attached cable and comes with a 6.6' (2.0 m) extension cable to make it easier to move around.
  • TOP OF THE LINE GAMING EXPERIENCE: The large 53mm drivers of the ATH-AG1x Headset offer powerful audio for an immersive gaming experience. Additionally, the double air damping system (D.A.D.S.) delivers deep, resonating bass.
  • COMFORTABLE TO WEAR FOR LONG PERIODS OF TIME: The improved 3D Wing Support system and soft earpads offers a comfortable and secure fit for hours of gaming. Never worry about having to take a break due to discomfort again!.
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Ultrassist Suture Kit for Medical Student, Complete Suture Practice Kit with Skin Pad, Medical Suture Pad Kit with Training Needle & Sutures for Vet School Students (Includes Tools)

  • ✅E-BOOK SUTURING TRAINING GUIDE: Will be E-mailed automatically by Amazon from “Big AZ Amazon Marketplace” once purchased. To receive e-book you must allow Communication from Amazon under your account communication preferences. Med school, Dental, Vet, NP, or PA students supplies or as gifts..
  • ✅27- PIECE SET: Complete Suture Practice Kit with E-book Suture Pad, 18 Sutures 2/0 3/0 and 4/0 with Needle/Needle Holders/Hemostat Forceps/Scissors/Dressing Forceps/Tissue Forceps/Scalpel Handle/ three 10 Blades/Plastic Handle Scalpel/ Larger All-In-One Patent Pending Case for Improved Organization..
  • ✅PATENT PENDING ALL-IN ONCE LARGER CASE & FORTH GENERATION PAD: AN IMPROVED VERSION OF LAST YEAR BEST SELLER First Ever Patent Pending All in one Case, High quality life-like, 3 layers anatomy(skin, fat, and muscle) with mesh in between the skin and fat layers to prevent tearing. New Tapered Cuts for improved wound closure. Suture pad with base measure 7.5 x 5.25 inches.
  • ✅STAINLESS STEEL TOOLS: Includes needle holder, hemostat forceps, surgical scissors, tissue forceps and surgery scalpel handle. All the tools that is needed for all suture types.
  • ✅1 Year WARRANTY: 100% MONEY ONE YEAR GUARANTEE. Start Practicing and Get Yours Now! If you are not happy wit....
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12PCS Photosensitive Sensor Module Digital Light Intensity Detection for Electronic Practice DIY

  • Product Name: GY-271 QMC5883 L module (Triple Axis Compass Magnetometer Sensor Module/3 Axis Electronic Compass Module Magnetic Sensor Module/3 axis magnetic field module)..
  • Means of communication: IIC communication protocol.
  • High quality sink gold PCB, mechanical welding process, to ensure quality.The sensor converts any magnetic field to a differential voltage output on 3 axes..
  • Wide Application: GY-271 QMC5883L 3-Axis Magnetic Electronic Compass Module is small size of only 13 mm × 14 mm, it can be accommodated in small equipments such as drones reconnaissance aircraft and robot navigation system, mobile phone, laptop computer, car navigation system..
  • Package Includes: 2pcs * GY-271 QMC5883L Triple Axis Compass Magnetometer Sensor Module + 2pcs* Pin Strip..
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DORHEA 5Pcs VL53L0X Ranging Sensor Module GY-530 Laser Ranging Sensor Time-of-Flight (ToF) 2.8-5V I2C IIC Interface Communication for Ardu ino

  • A time-of-flight ranging system integrated into a compact module.
  • Communication: the IIC communication protocol (fully compatible with 3-5 v system).
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FreedConn Motorcycle Bluetooth Helmet,Bluetooth Integrated Modular Flip up Full Face Motorcycle Helmet,Dual Visor Modular Bluetooth Helmet,DOT Approved Helmets with Gloves(Red,Large)

  • [ 3.0 Bluetooth Motorcycle Helmets ] : Equipped with Bluetooth 3.0 version ,keep you connected with cellphone, music player and GPS system easily and stably. Up to 9 hours intercom time, 12 hours phone time,120 hours standby time,makes team motorbike communication more convenient and efficient. What's more we had meets and exceeds both ECE & DOT safety standards..
  • [ Easy Control Motorbike Bluetooth helmet ]: The motorcycle bluetooth helmet supports one button control for calling, answering, rejecting incoming calls and redialing. Incoming phone call overrides intercom, music, FM and GPS navigation audio. You can trigger Siri or Android voice command by long press the MFB button for 2 seconds. Away, make your communication more convenient..
  • [ Powerful communication Bluetooth helmet ]: Built-in bluetooth intercom function, supports 2 riders talking or 3 riders pairing and up to 500m(1640 ft), Built in 2 premium speakers with full stereo sound. Advanced DSP echo cancellation and noise suppression technology,The Modular bluetooth helmet offers you clear music and intercom voice even at high speed..
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Motorcycle Helmet Bluetooth Headset Communication Systems kit Intercom BT-S2, Wireless Helmet Radio Microphone to 2-3 Riders 1000M, for Bicycles, Skiing (BT-S2 Hard Mic 1PACK)

  • 『BT-S2 Motorcycle Helmet Bluetooth Versatile』This perfectly designed motorcycle helmet bluetooth is perfect , for quality motorcycle communication systems. bts2 bluetooth headset Supports FM Radio,GPS,Music..
  • 『BT-S2 Motorcycle Bluetooth Headset Multifunctional』Not only does this Bluetooth headset intercom Communication Systmes kit facilitate communication between the riders but can also carry out functions such as playing stereo music and FM Motorcycle bluetooth radio..
  • 『Waterproof function of helmet Bluetooth headset』 This motorcycle helmet headset Bluetooth is suitable for any time, regardless of the weather, because the waterproof function of the helmet bluetooth headset can work normally even on rainy days.
  • 『Motorcycle Helmet Intercom Efficient』The motorcycle helmet intercom allows optimum communication between the riders to up to a distance of 1000m on open ground.up to 3 Riders, increasing the entertainment of the motorcycle helmet communication system.
  • 『Bts2 Bluetooth Headset Convenience 』bluetooth for helmet motorcycle device is portable thus comes in well handy as the motorcycle rider moves around a lot. BT-S2 Headset for 3/4 motorcycle Helmet, half-faced Motorcycle Helmets.
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FreedConn Motorcycle Bluetooth Helmet,Bluetooth Integrated Modular Flip up Full Face Motorcycle Helmet,Dual Visor Modular Bluetooth Helmet,DOT Approved Helmets with Gloves(Matte Black,Medium)

  • [ 3.0 Bluetooth Motorcycle Helmets ] : Equipped with Bluetooth 3.0 version ,keep you connected with cellphone, music player and GPS system easily and stably. Up to 9 hours intercom time, 12 hours phone time,120 hours standby time,makes team motorbike communication more convenient and efficient. What's more we had meets and exceeds both ECE & DOT safety standards..
  • [ Easy Control Motorbike Bluetooth helmet ]: The motorcycle bluetooth helmet supports one button control for calling, answering, rejecting incoming calls and redialing. Incoming phone call overrides intercom, music, FM and GPS navigation audio. You can trigger Siri or Android voice command by long press the MFB button for 2 seconds. Away, make your communication more convenient..
  • [ Powerful communication Bluetooth helmet ]: Built-in bluetooth intercom function, supports 2 riders talking or 3 riders pairing and up to 500m(1640 ft), Built in 2 premium speakers with full stereo sound. Advanced DSP echo cancellation and noise suppression technology,The Modular bluetooth helmet offers you clear music and intercom voice even at high speed..
  • [ comfortable Modular motorcycle Bluetooth helmet ]: Lightweight shell with advanced ventilation system,make your ride more comfortable. Cheek pads and liner are....
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FreedConn Motorcycle Bluetooth Helmet,Bluetooth Integrated Modular Flip up Full Face Motorcycle Helmet,Dual Visor Modular Bluetooth Helmet,DOT Approved Helmets with Gloves(Gloss Black,Medium)

  • [ 3.0 Bluetooth Motorcycle Helmets ] : Equipped with Bluetooth 3.0 version ,keep you connected with cellphone, music player and GPS system easily and stably. Up to 9 hours intercom time, 12 hours phone time,120 hours standby time,makes team motorbike communication more convenient and efficient. What's more we had meets and exceeds both ECE & DOT safety standards..
  • [ Easy Control Motorbike Bluetooth helmet ]: The motorcycle bluetooth helmet supports one button control for calling, answering, rejecting incoming calls and redialing. Incoming phone call overrides intercom, music, FM and GPS navigation audio. You can trigger Siri or Android voice command by long press the MFB button for 2 seconds. Away, make your communication more convenient..
  • [ Powerful communication Bluetooth helmet ]: Built-in bluetooth intercom function, supports 2 riders talking or 3 riders pairing and up to 500m(1640 ft), Built in 2 premium speakers with full stereo sound. Advanced DSP echo cancellation and noise suppression technology,The Modular bluetooth helmet offers you clear music and intercom voice even at high speed..
  • [ comfortable Modular motorcycle Bluetooth helmet ]: Lightweight shell with advanced ventilation system,make your ride more comfortable. Cheek pads and liner are....
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FreedConn Motorcycle Bluetooth Helmet,Bluetooth Integrated Modular Flip up Full Face Motorcycle Helmet,Dual Visor Modular Bluetooth Helmet,DOT Approved Helmets with Gloves(White,X-Large)

  • [ 3.0 Bluetooth Motorcycle Helmets ] : Equipped with Bluetooth 3.0 version ,keep you connected with cellphone, music player and GPS system easily and stably. Up to 9 hours intercom time, 12 hours phone time,120 hours standby time,makes team motorbike communication more convenient and efficient. What's more we had meets and exceeds both ECE & DOT safety standards..
  • [ Easy Control Motorbike Bluetooth helmet ]: The motorcycle bluetooth helmet supports one button control for calling, answering, rejecting incoming calls and redialing. Incoming phone call overrides intercom, music, FM and GPS navigation audio. You can trigger Siri or Android voice command by long press the MFB button for 2 seconds. Away, make your communication more convenient..
  • [ Powerful communication Bluetooth helmet ]: Built-in bluetooth intercom function, supports 2 riders talking or 3 riders pairing and up to 500m(1640 ft), Built in 2 premium speakers with full stereo sound. Advanced DSP echo cancellation and noise suppression technology,The Modular bluetooth helmet offers you clear music and intercom voice even at high speed..
  • [ comfortable Modular motorcycle Bluetooth helmet ]: Lightweight shell with advanced ventilation system,make your ride more comfortable. Cheek pads and liner are....
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