ReviewsLevel Meters

COVONO GPS Wireless Dog Fence 2023 Upgraded Electric Pet Containment System Waterproof and Rechargeable Collar Tone/Vibration/Shock Correction Black

  • GPS CONTAINMENT TECHNOLOGY: Use standard civilian GPS positioning technology to locate your dog and calculate his track in real time, your dog will be warned once he crosses the border you set. You can adjust the radius of your dog’s play area from 30 meters (33 yd) to 990 meters (1083 yd), cover up to 760 acres.
  • NO FALSE WARNINGS: Our R&D team has upgraded and optimised the algorithms at software level based on complaints from the market over the last 3 years. This product prevents 100% of false warnings whether the GPS signal is strong or weak. This is a significant and friendly improvement for your dog.
  • SECURE CORRECTION MECHANISM: Comes with tone/vibration/shock correction modes, you can set the level of each correction mode separately, use one or more correction modes based on the characteristics of your dog. The stimulation is limited up to 3 circles, each circle lasts 30 seconds, to prevent your dog from being over-stimulated.
  • SUPER EASY&PORTABLE: No transmitter, no remote control, all functions are integrated in the collar which is IP66 waterproof rating, easy to set up and works automatically. You can use it wherever there is a GPS signal, such as courtyard, beach, riverside, campground, farm and park.
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NITECORE TINI 2 TINI2 Grey 500 Lumen Rechargeable EDC Keychain Flashlight with NITECORE Tag

  • NITECORE TINI2 grey has a max output of 500 lumens, 32% upgrade from the last generation, and a max throw of 89 meters..
  • The Tini 2 grey has an ultra compact and lightweight body of 18.8g with the solid stainless steel ring pull..
  • The multifunctional OLED real-time display is always ready to show the current flashlight status including battery level & voltage, brightness level,....
  • The TINI 2 grey has 2 user modes and 5 brightness levels available for various scenarios. Direct access to TURBO is available for outdoor and....
  • Package Included: Tini 2 grey flashlight, NITECORE keychain tag.
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OLIGHT X9R Marauder 25000 Lumen Six High Performance LED Super Bright Rechargeable Flashlight with I5R EOS 350 Lumens Rechargeable Tail-Switch LED Flashlight

  • ✅ X9R: Highest brightness level Olight ever produced reaching a max output of 25,000 lumens..
  • ✅ Real time battery level display while indicating an 8-level output selection, Improved built-in heat dissipation system design for more effective cooling of the flashlight body..
  • ✅ Ergonomic design - Milled finger grooves, shoulder strap and concealable strap hole for convenient and comfortable use..
  • ✅Rechargeable Battery: I5R customized rechargeable battery that integrates a Type-C interface for charging. Enough power for 37 hours of use on 15 lumens after fully charged..
  • ✅High Performance: It delivers a max output of 350 lumens and a max throw of 64 meters..
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GTD Audio 2x100 Adjustable Channels UHF Wireless Cordless Handheld Microphone Mic System Ideal for Church, Karaoke, Dj Party, Range 400 ft,

  • 100 Selectable frequencies on each channel, up to 20 sets can be used at the same time.
  • Automatic frequency scanning to find and set the most clear channel, avoiding dropout..
  • Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize.
  • Backlit LCD display showing RF level, AF level, Channel Frequency and mute status.
  • Range: Up to 400 feet ( 120 meters ). Frequency: 530Mhz - 580Mhz ( Adjustable ).
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Upgraded 10'' Mirror Dash Cam Rear View Mirror Camera Front and Rear 1080P Backup Camera FHD Full Touch Screen w Loop Recording, G-Sensor, Parking Monitor 170° Wide Angle

  • √【Newest Upgrade】10 Inch Mirror Dash Cam Streaming Media Full Touch Screen dash cam, Both 1080P front and 1080P rear camera, Super night vision, Long 10 meters backup camera cable, support 128G SD card max (not included)..
  • √【Dual 1080P+10 meters long camera cable】Upgrade both 1080P backup camera and long camera cable, our unique 10 meters back camera cable(32.8ft), help you solve the short camera cable issue when installation. Both 1080P front and 1080P backup camera provide great video quality, No longer worry about not seeing clearly other license plates. Real-time transmission of images, full-screen view, the mirror dash cam with wide angle lens eliminates blind spots..
  • √【Super Night Vision & Safe Parking】 Analogy High Definition of backup camera, both 1080P front and 1080p backup camera presents super night vision in low light conditions, and the backup camera display with guidelines assist you safe parking. It is flexible and convenient for you to adjust the view angle by scrolling up and down on the touchscreen and switch the camera back and forth..
  • √【Thoughtful User Interface & Powerful Functions】Thoughtful and friendly user interface for you to operate. The brightness can be adjusted by slide left and right on the screen.....
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Nady 2W-1KU GT Dual True Diversity 1000-Channel Professional UHF Wireless System with 2 Guitar/Instrument Bodypacks – Autoscan – Automatic Transmitter Pairing – All Metal Construction

  • Two independent wireless receivers in one enclosure for simultaneous operation of two transmitters. Unsurpassed performance with 120dB dynamic range.....
  • 1000 selectable UHF frequencies per transmitter for interference-free reception with AUTO-SCAN feature for easy location of clear channels and ASC....
  • Rack-mountable receiver with 5 segment LED bar graph AF meters, 2 balanced XLR microphone level and 1 unbalanced ¼” mixed line level audio outputs.....
  • All-metal body bodypack transmitter with high quality guitar/instrument cable & belt clip. LCD display indicates group, channel, audio level, and....
  • Nady Systems is dedicated to providing the best user experience possible. Since 1976 Nady has been a US based brand, with a US based customer service....
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SM-130DB Digital Decibel Meter Reader and Sound Level Meter Type 2 with Calibration Certificate. Measurement Device for Environmental and Mechanical Noise Monitor - Manufacturing, Office, Classroom

  • ✔ SOUND DECIBEL METER TYPE 2 - Digital sound level meter with calibration certificate - Reliable meter for measuring loudness, sound and noise levels from environmental and mechanical sources..
  • ✔ MEASUREMENT SOUND LEVEL - Operating range from 35dB 130dB(decibel) - Applicable standard: EN 61672 type2..
  • ✔ SOUND LEVEL METERS - Noise measurement device for application applications include: Environmental and machines noise tester, warehouses, factories, office buildings, restaurants, schools, classrooms, library, hospitals, art galleries, stadiums, building security..
  • ✔ ACCURATE AND RELIABLE - 1/2 inch electret condenser microphone, Accuracy ±1.8dB (ref 94dB@1KHz) and 0.1dB resolution..
  • ✔ 100% MONEY BACK GUARANTEE 2 YEARS WARRANTY ensures this will quickly become your favorite no-risk purchase..
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Nady 2W-1KU HM-10 Black Dual True Diversity 1000-Channel Professional UHF Wireless System with 2 Headset Microphones - Autoscan - Automatic Transmitter Pairing - All Metal Construction

  • Two independent wireless receivers in one enclosure for simultaneous operation of two transmitters. Unsurpassed performance with 120dB dynamic range.....
  • 1000 selectable UHF frequencies per transmitter for interference-free reception with auto-scan feature for easy location of clear channels and asc....
  • Rack-mountable receiver with 5 segment LED bar graph AF meters, 2 balanced XLR microphone level and 1 unbalanced ¼” mixed line level audio outputs.....
  • All-metal body body pack transmitter with the Nady hm-10 omnidirectional headset microphone. Lcd display indicates group, channel, audio level, and....
  • Nady Systems is dedicated to providing the best user experience possible. Since 1976 Nady has been a US based brand, with a US based customer service....
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GTD Audio 4 x100 Changeable Frequency Channels UHF Wireless Microphone DJ Karaoke Mic System, Range 400Ft, Battery 12 Hours (4 Handheld Mics) 668H

  • 100 Selectable frequencies on each channel, up to 10 sets can be used at the same time.
  • Automatic frequency scanning to find and set the most interference-free channel in the area.
  • Automatic transmitter setup, the channel of the transmitter and receiver can easily synchronize.
  • Backlit LCD display showing RF level, AF level, Channel Frequency and mute status.
  • Range: Up to 400 feet ( 150 meters ). Frequency: 530Mhz - 580Mhz ( Adjustable ).
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Air Conditioning Pump Automatic Condensate Pump Silent Condensate Lift Removal System Assembly Parts 110‑240V 50‑60HZ

  • The drainage pump is mainly used to remove contaminated condensate, and is used in air conditioning systems and refrigeration equipment..
  • The air conditioner drainage pump has a flow rate of 24m³/h and a maximum lift of 12 meters, can run with low noise and is safe and stable..
  • Circuit board sealing treatment, not affected by humid environment, better heat dissipation effect..
  • Electrode type water level sensor solves the failure problems of traditional float water level sensor such as water absorption and jamming..
  • The drainage pump has complete accessories, easy to assemble, and wall‑mounted installation can save space..
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Herbert Richter 10310501 Altimeter

  • High performance auto car dash mounts altimeter and barometer.
  • Easy installation at all universal dash by double sided tape included and excellent practicality.
  • Measuring range: 0 ~ 4000 meters above sea level.
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