ReviewsUltrasonic Distance Meter

CUQI Ultrasonic Module Distance Measuring Sensor Module Kit Transmitter and Receiver Module Compatible with DIY Robot Car/Raspberry Pi 4B 3B+ 3B 4PCS …

  • Ultrasonic module distance measuring transducer sensor..
  • HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives....
  • Power Supply: DC 5V, Quiescent Current: less than 2mA.
  • Compatible with DIY Robot Car/Raspberry Pi 4B, 3B+, 3B.
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AOICRIE 5pcs HC-SR04 Ultrasonic Sensor Distance Module for Nano Robot XBee ZigBee by ElecRight for Ultrasonic Proximity Sensors Motion Detectors (5PCS)

  • Test mode :HC-SR04 ultrasonic sensor can send eight 40 kHz and detect whether there is any pulse signal back.If it back, a high level signal will be outputed by IO, and the duration of the signal is the time from sending ultrasonic to returning..
  • HC-SR04 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal..
  • Quiescent current: less than 2mA, Test distance = ((Duration of high level)*(Sonic :340m/s))/2..
  • The detection zone: 0.78~196 in/ (2cm~500cm).
  • High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15°.
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Yard Sentinel Outdoor Ultrasonic Animal Repeller with Strobe Light, Motion Sensor, Adjustable Volume, Waterproof, Extension Cord, Powerful Repel Cat, Squirrel, Raccoon, Skunk, Rabbit, Fox, Deer, Etc.

  • ☀【2021 UPDATe TECHNOLOGY】: The dual ultrasonic and electromagnetic chips of our ultra sonic pest repell-ers emit frequencies ultrasonic interfering the auditory and nerve system of the pest, making them feel uneasy and uncomfortable so that pests, mice, rodents and mosquitoes away from your home..
  • ☀【SAFE FOR HUMAN & PETS】: The ultrasonic frequency of the electronic mosquito repellent is inaudible to humans and pets, environmental-friendly,The rodent repellent ultrasonic plug-in does not eliminate insects, but removes them from the covered area without using chemicals or smoke, which is an ideal choice for anyone who does not want to clean up for a long time..
  • ☀【WIDE EFFECTIVE COVERAGE】 This rodent repellent indoor ultrasonic is suitable for 1600 square feet of area, It's widely used in homes, warehouses, offices, gardens, hotels, etc. We recommend you to install one for each room because the ultrasound cannot penetrate walls and solid objects. But for areas with serious Vermin, we suggest install 2 or more pest repeller. They aren't effective for other rooms if you just install mosquito repeller at the room..
  • ☀【Easy To Use】Simply plug in our ultrasonic pest repeller, It works when you notice the hazy glow. This machine shoul....
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Solar Animal Repeller Outdoor,Solar Pest Ultrasonic Animal Repellent,Motion Sensor Animal Deterrent Devices Outdoor with Sound and Flashing Lights Effectively Scares Away Cats,Dogs,Foxes,Rabbit,Birds

  • 【Safe and Easy to Use Dog Deterrent】Simply insert the ultrasonic cat repeller outdoor into ground soil with full sun and turn it on.Place the device 5 inches from the ground, depending on the eye height of the predator you want to deter.For best results, you can place repellers in different positions to improve the repelling effect in all directions,and face the motion sensor cat deterrent in the direction of intruder activity..
  • 【Racoon Repellant Products in Multiple Modes】The solar ultrasonic deer repeller has 5 modes for adjustment,and different modes can effectively act on different animals.The sensitivity button can adjust the sensitivity and sensing distance.5 working modes using ultrasonic,alarm,strong LED light flashing.The built-in light brightness detector automatically starts at night.Ultrasonic cat repeller outdoor solar effectively repels cats,dogs,deer,rabbits,raccoons,boar,squirrels and other animals..
  • 【Humanized Designed Solar Animal Repeller】This animal deterrent devices outdoor is harmless and environmentally friendly,when the animal enters the area, the infrared sensor is triggered, the red LED lights up, the product senses the animal, and emits ultrasonic waves, voice, and a strong flash of two-color lights that make the ....
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MagLite Complete Home Bundle

  • Maglite ML300L 4D: Multi Mode Electronic Switch, 1002 Lumens, 511 meter Beam Distance, Runtime: 5 hr 45 min. on high.
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2Pcs JSN-SR04T Integrated Ultrasonic Distance Measuring Sensor Transducer Module Waterproof

  • Working voltage:DC3-5.5V, Static current:5mA, Total current work: 30mA. Working range: 25cm-4M, Working frequency: 40KHZ, Detecting angle: 75 degree. The JSN-SR04T ultrasonic distance measuring module provides a measurement range of 21cm-600cm. Blind area is 20cm..
  • Integrated with sealed waterproof stripline probe, this sensor suitable for wet and harsh measurement occasions. Please note that the device is waterproof, but it couldn't work underwater..
  • Small size, easy to use, strong anti-jamming, high accuracy, low voltage and low power consumption. The module has a variety of modes that can be modified manually, suitable for testing and teaching experiments in different occasions..
  • Applications:It is widely used in horizontal distance ranging, obstacle avoidance, object distance measurement, car reversing sensors, security alarms, automatic control, security and industrial control, Intelligent traffic control and artificial intelligence teaching and research etc..
  • Package Included:2 x JSN-SR04T Ultrasonic Distance Measuring Transducer Sensor Waterproof.
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Octane 800 Gram 50 Meter Men s & High School Track & Field Javelin

  • Our Best Selling Adult Men College & High School 800 Gram 50 Meter Track & Field Javelin. Match your skill set potential throwing our top rated Men's track javelin..
  • Equipment makes a world of difference to get an edge over your competition. Working with our award winning Men's 50 meter 800 gram track javelin helps you train at a higher level..
  • Helps to really further your technique, release, and distance. Improve every day. Self belief is rewarded using our most popular 50 meter 800 gram track javelin. We help you beat the competition..
  • Center Balance Point Promotes Stable & Increased Distance Flight. Competition 10.4 flex. Rated up to 165 feet. Quality backed 1 year warranty..
  • Discipline and training is everything. So is your choice of 50 meter 800 gram track javelin. Our Men's 50 meter 800 gram track javelin is the difference between good and great. Colors vary..
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Mini Essential Oil Diffuser Aromatherapy Diffuser for Room, 7 Color Night Lights, 2 Mist Options, Ultrasonic Silent, Auto Shut-Off, Cool Mist Humidifier for Office, Home, Bedroom, Study, Yoga

  • ...dor and protect your family from over-dry air, microorganism, allergen, dust, etc..
  • Qiaodiren Ultrasound Aromatherapy diffuser is the best oil diffuser, can work continuously 8 to 10 hours! It is made from the best PP material on the market, and the oil resistant corrosion is.
  • High-precision essential oil ingredient: ultrasonic atomization technology, directly atomizing water and essential oil into nanometer level, delicate college.
  • Multiple protection, automatic monitoring of water levels, overheating automatic shutdown system, safe and provincial heart.This is a wonderful anniversary/birthday/Halloween/Valentine/Christmas gift for relatives, children, friends, teachers and classmates. Included packaging: 1x ultrasonic humidifier, 1x USB cable (Without plug adapter), 1x user manual, 1x packing box..
  • 【Specially worth noting】: The water level of our QIAODIREN A3 aromatherapy diffuser must be lower than the highest water level line, otherwise there will be small spray amount, and when moving after moving, it is easy to pour the water into the fan. In the protective port, it causes the water to flow out from bottom. It is highly recommended -- After placing it, and then start to add water and start using it. (Even if you need to move, you need to parall....
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Ultrasonic Pest Repeller 6 Packs Electronic Plug in Indoor Sonic Repellent pest Control for Bugs Roaches Insects Mice Spiders Mosquitoes

  • Latest Ultrasonic Technology with Upgraded Chip: Adopting the latest ultrasonic chip to impact mice, rats, spiders, fleas, cockroaches, ant, flies, mosquitoes on their hearing and nervous system to make them unpleasant and uncomfortable, which will drive them away from your home and make them don't dare to come close to your home anymore. What's more, this pest repellent won't kill the pests..
  • FRIENDLY AND ECONOMICAL - This electronic pest repeller is friendly for human and our lovely pets like dogs and cats. Odorless, noiseless and no radiation.Pest control uses sound waves to drive pest and rats away without killing them leaving nasty dead insects or rodents behind for you to deal with..
  • Easy to Use and Install: Simply plug in our ultrasonic pest repeller, It works when you notice the hazy glow. This machine should be installed 10-30inch away from the floor, and no other obstacles around within 1 meter..
  • Coverage Area: The maximum coverage of our ultrasonic pest repeller is up to 1200 square meters. Due to the solid walls that will weaken the effect of the ultrasonic wave, we suggest using 1 unit per average-sized room with a pest problem. Additional units will be required in larger areas..
  • Multipurpose&Energy-Saving: Costs less than $10 a year in elec....
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Aoyar Anti Barking Device USB Rechargeable Handheld Training-bark Deterrent Ultrasonic Control Range of 16.4FT Dogs Sonic Sound Silencer Trainer - Dog Noise Stopper & Barker Outdoor Indoor

  • 3 Adjustable Ultrasonic Gears: The upgraded Anti Barking Device utilizes ultrasonic technology, coming with three gear adjustments of ultrasonic....
  • 16.4ft Control Range & Independent Switch Button: The maximum ultrasonic effective control distance of 5m/16.4ft allows you to use this Dog Barking....
  • Pet Safe & Owner Friendly Design: Compared with electric shock or liquid spray, this Ultrasonic Anti Dog Barking Device is the most humane way to....
  • Easy to Use & Carry: The LED light with 3 different colors correspond to different ultrasonic buttons - High (red), Medium (yellow), and Low (green).....
  • USB Recharging: Anti barking device built-in 800mAh large-capacity battery only needs 2-3 hours to be fully charged but works for 15-30 days.....
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lakpad HDMI Repeater 4K UHD HDMI Female to Female HDMI Amplifier 40 HDMI Extender Up to 40 Meters Lossless Transmission for Oculus Rift and More

  • Support 3D,4K*2K,1080P. Ideal for trade shows, classrooms, home theater, conference rooms, business office and retail applications..
  • HDCP compliant with HDMI, HDCP 1.4 ,1.1 and DVI 1.0, this HDMI Repeater is tested to guarantee performance and reliability..
  • Extends 4k,1080p/UXGA up to 40 meter transmission distance (15 meter on input side and 25 meter on output ,lower resolution signal can be transmitted....
  • It regenerates the incoming HDMI signal by decoding and re-encoding it to a new standard HDMI signal so it can extend the transmission range without....
  • Place repeater close to the middle of the distance for best results (25 meter on Input side and 15 meter on Output side is an ideal setup)..
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