ReviewsDouble Frequency

Minelab Equinox 800 Metal Detector w/ 6" & 15" Coils, Lower Shafts, Pro-Find 35

  • KIT INCLUDES: Minelab EQUINOX 800 All-Terrain Waterproof Multi-Purpose Metal Detector | EQUINOX Double-D 6" Smart Coil with Skid Plate | EQUINOX 800 11" Double-D Smart Coil | Lens Cleaning Cloth | Wireless Bluetooth / Apt-X Low Latency Headphones | WM 08 Wireless Audio Module | USB Charging Cable with Magnetic Connector | Multi-Language Screen Protectors | Getting Started Guide | Minelab 3 Year Limited Warranty.
  • SIMULTANEOUS MULTI-FREQUENCY: True intelligent Simultaneous Multi-Frequency for maximum performance, plus a wide range of single frequencies..
  • FAST & ACCURATE TARGET ID: Fast recovery speed with accurate Target ID ensures you won’t miss any valuable targets amongst the trash. Equally adaptable for all target types and ground conditions: Park, Field, Beach & Gold.
  • 8 CUSTOM SEARCH PROFILES: Each Detect Mode features 2 custom Search Profiles so you can save your favorite settings in each mode..
  • WIRELESS AUDIO: Experience ultra-fast wireless audio with the WM 08, or use fast aptX Low Latency / Bluetooth headphones..
Check Stock

Eujgoov RF Module AD8317 Detector Logarithmic Amplifier AD8317 RF Power Meter 1M-10G Hz

  • Accurate RF Measurement: AD8317 detector logarithmic amplifier provides accurate RF measurement. The measurement accuracy is better than ±1 dB in a dynamic range greater than 50 dB, and a power controller with adjustable power amplifier or variable gain amplifier is provided at the output..
  • Wide Operating Frequency Range: The wide operating frequency range from 1M HZ to 10G Hz supports all cellular standards, broadband wireless standards and private dedicated systems in frequency bands..
  • Shielding Case: With shielding case and antireverse protection diode in the 3V to 5V power supply voltage range..
  • Sturdy & Durable: 1.6mm thick PCB double panel, sturdy and durable, long service life, large heat dissipation area, stable operation, long running time, easy to use, good performance, small size, easy to carry and store..
  • Working Temperature: AD8317 provides better accuracy, temperature stability, and 5 ns fast output response in the temperature range of 40 ℃ to + 85 ℃, and is used for RF burst detection at 125 MHz..
Check Stock

MIXJOY 1000 Watt Double Ended Grow Light System Kits, 2100K Super Lumens DE HPS Bulb, Open Reflector with 120-240V Digital Dimmable Ballast and 1 Pair Rope Ratchet Hanger for Indoor Plant Growing

  • HIGH FREQUENCY DIMMABLE BALLAST: High frequency digital dimmable ballast 120V-240V designed specifically for Double Ended Grow Lamps 1000W (HPS/MH), adjustable to 600/750/1000/1150W output..
  • HIGH REFLECTIVITY RATING: Sturdy reflective hood is made of German aluminum rated at 95% reflectivity, with excellent color rendering and outstanding high quality, and the high quality lamp holder..
  • FULL SPECTRUM LIGHT: Includes a Super HPS Double Ended 1000W HPS Bulb, high PAR 2100um+ output, providing 35% more available energy than Standard HPS Lamp bulb..
  • ALL COMPONENTS INCLUDED: Each MIXJOY Grow Light Kit system includes 1x Aluminum Reflector, 1x Digital dimmable ballast (120V-240V), 1x Double Ended HPS 1000W bulb, 1x Pair of 8-ft adjustable ratchet clip hanger Rope, 1x 8FT Power cord(120V/240V adapter included)..
  • MANUFACTURER WARRANTY: ETL Certified to ensure the Digital Dimmable Ballast 3 years warranty, DE HPS 1000W Bulb has 1 year warranty. For the Optimal Performance, the bulb should be replaced once a year..
Check Stock

EIWEI 2L Ultrasonic Cleaner 28/40 kHz Dual-Frequency Professional Digital Stainless Steel Cleaning Machine with Heater Timer for Jewelry, Parts, Circuit Board, Glasses, Denture, Carburetor

  • Features: New CNC led operation panel: simple and clear interface, simple and fast operation, cleaning and degassing at one go. Temperature: 0 ~ 80, time: 0 ~ 99min.
  • Product performance: Double frequency variable wave degassing, high precision heating device matching constant temperature system, so that the liquid temperature is accurate.
  • Two kinds of ultrasonic frequencies solve the blind area of ultrasonic cleaning workpiece.
  • Degassing function realizes the extrusion of the air in the liquid during the use of ultrasonic, which makes the liquid infinitely close to the vacuum state and realizes the vacuum cleaning..
  • Material: 60W high performance transducers, SUS304 stainless steel tank, more durable than SUS201 stainless steel.
  • Tips: Product work will produce noise, which is inevitable, the lower the frequency of cleaning effect will be better, but the corresponding sound will also be bigger, low frequency is more suitable for cleaning simple structure things, the higher the frequency means that the noise will be smaller, can better clean fine things..
  • Applications: CD-E series ultrasonic cleaning machine can be used to clean dentures, 3D models, glasses, hardware accessories, screws, and circuit boards, etc..
Check Stock

DE MH Lamp 600W 6K with Single Sleeve

  • High Frequency/High Output Pulse Start DE MH lamp MH lamps are required to be either open fixture rated or the lamp has to be installed in a luminaire....
Check Stock

FM Transmitter Broadcast Wireless Adapter Stereo Station Long Range for Church School Drive-in Cars Supermarket AUX Input FCC Certified

  • 【Adjustable frequency】: Machine coverage frequency is FM full range 76-108MHz. Effortlessly avoid local radios and enjoy Hi-Fi stereo, the transmission distance of 3-4 km in the open air. FCC certified. FCC ID: 2AQIX-T15B.
  • 【Channel switching】: switchable stereo, mono, designed with advanced modulation system and built-in PLL frequency, audio pre-accent, limiter and low-pass filter circuit..
  • 【Heat Dissipation】: Using high-quality double ball fan, , Intelligent wind speed control, a reasonable cooling channel, first-class thermal performance..
  • 【Bluetooth & PC control】Hi-Fi Bluetooth input, connect your computer via micro USB interface, plus supporting intelligent broadcasting software, to achieve diversification unattended broadcast..
  • 【Fashion appearance】: All aluminum alloy shell, heat-resistant high-quality, corrosion-resistant.
  • panel using drawing technology, exquisite beauty, buttons with convex cylindrical design, feel comfortable..
Check Stock

WZRYBHSD Remote Control Boat-RC Speedboat 30+Mph High Speed Racing Boat for Adults and Kids & Pools and Lakes,Low Battery Alarm,2.4 Ghz Electric RC Hovercraft Toy for Boys& Girls, Red

  • ...★When low power, the alarm indicates that when the battery voltage is insufficient, the speedboat will automatically speed up, and the remote control will issue an alert prompt. At this time, the speedboat will be returned. Speedboat and remote control double prompt low pressure warning.003c/br003e.
  • ★2.4GHz high frequency remote control system.
  • 2.4GHz ship high frequency wireless system, remote control distance reaches 150 meters, single single single frequency, suitable for many people's same competition.003c/br003e.
Check Stock

CardioIogy IV Stethoscope, for Children and Adult (6152 Black Stainless)

  • -UNIQUE TECHNOLOGY – Tunable diaphragm technology – a 3M invention – lets clinicians hear different frequency sounds by simply adjusting the pressure on the chestpiece as well as developing diagnostic skills..
  • -HIGHLY ACCURATE DIAGNOSE – Listen to real heart and lung sounds to recognize different conditions, hold the chestpiece with light pressure to hear low frequency sounds.
  • press a little more to hear higher frequency sounds. This time-saving feature allows the healthcare provider to focus on the patient..
  • -SPECIAL DESIGN – Double-sided Chestpiece designed for easier grip and maneuvering, the non-chill rim provides patient comfort. Headset tension is easily adjusted for head size and comfort by squeezing together or pulling apart the eartubes. Snap-tight, soft-sealing eartips conform to individual ears for an excellent acoustic seal and comfortable fit. Eartips snap firmly onto the ends of the eartubes and, for safety, require a significant effort to remove..
  • -ENVIRONMENT PROTECTION – to play its part in the protection of human health and the environment, the tubing does not contain phthalate plasticizers..
  • -LIFETIME WARRANTY – If you are not 100% satisfied with your purchase, we will refund your payment 1....
Check Stock

KZ ZS10 Pro, Linsoul 4BA+1DD 5 Driver in-Ear HiFi Metal Earphones with Stainless Steel Faceplate, 2 Pin Detachable Cable (Without Mic, Glare Blue)

  • Upgraded 4BA+1DD Hybrid Earphones&Magnetic Dynamic Unit. As an upgraded version of KZ ZS10, the Pro features self-customized balanced armatures which includes two 30095 drivers for high frequency, two 50060 drivers for mid frequency. With this configuration, the sound is transient, dynamic and bright in all respects. While maintaining the previous performance, the high frequency of this model is extended to beyond 40kHz. It also adopts the second generation Tesla double magnetic dynamic unit.
  • Exquisite Craft. The faceplate is made of 304 stainless steel while the cavity is made from imported resin. The two different material not only presents an elegant look and shimmer but also be practical and durable. The detachable gold-plated 2 pin cable offers fully upgradability and the limit slot protection design greatly avoids the pin from breaking and prolongs the service life of the interface.
  • PCB Frequency Dividing Board. The PCB board is added to give full play of all the drivers, displaying a smooth, sensible, detailed music experience. The ZS10 Pro overall has dynamic low frequency and bright resolution. It fully reflects the cohesion of balanced armatures.
  • Ergonomic Design&Noise Canceling . The cavity is made based on large data of cochlea. Its scientif....
Check Stock

YIKBIK Table Tennis Robot with Catch Net Automatic Ping Pong Robot Machine for Home Practicing Training (HP-07 PingPong Robot)

  • Set Up Easy - No other tools or requipments are required, easy to install. (Note: 1.Please use the International Standard balls with diameter of 40mm (1.57 inches). 2.Please must use more than 15 balls to use this machine. If there are less than 15 balls, the balls will not come out.).
  • Spin Ball - ZXMOTO Ping pong robot can deliver 36 kinds of spinning ball, Double-end serve (optional single serve), falling point is not fixed. You can adjust top spin, backspin, as well as any combination of those and sidespin..
  • Ball Frequency - The twist frequency button adjusts the frequency of the ball to suit your needs. Rotate from left to right, the speed is adjusted from slow to fast.
  • Capacity - Fill the serving machine set ball container with table tennis and hold approximately 110 ping-pong balls.(This item comes without ping-pong balls.).
  • One-year Warranty - starting from the purchase date of the order,if there is a product quality problem in the case of normal use within one year, we will help solve it..
Check Stock

Linsoul KZ ZS10 Pro 4BA+1DD 5 Driver in-Ear HiFi Metal Earphones with Stainless Steel Faceplate, 2 Pin Detachable Cable (Without Mic, Purple)

  • Upgraded 4BA+1DD Hybrid Earphones&Magnetic Dynamic Unit. As an upgraded version of KZ ZS10, the Pro features self-customized balanced armatures which includes two 30095 drivers for high frequency, two 50060 drivers for mid frequency. With this configuration, the sound is transient, dynamic and bright in all respects. While maintaining the previous performance, the high frequency of this model is extended to beyond 40kHz. It also adopts the second generation Tesla double magnetic dynamic unit.
  • Exquisite Craft. The faceplate is made of 304 stainless steel while the cavity is made from imported resin. The two different material not only presents an elegant look and shimmer but also be practical and durable. The detachable gold-plated QDC cable offers fully upgradability and the limit slot protection design greatly avoids the pin from breaking and prolongs the service life of the interface.
  • PCB Frequency Dividing Board. The PCB board is added to give full play of all the drivers, displaying a smooth, sensible, detailed music experience. The ZS10 Pro overall has dynamic low frequency and bright resolution. It fully reflects the cohesion of balanced armatures.
  • Ergonomic Design&Noise Canceling . The cavity is made based on large data of cochlea. It’s scienti....
Check Stock