Product name: Outdoor ultrasonic anti-bark stopper. Material: ABS plastic Product weight: 0.1 kg Color of the product: black Color box size: 8 × 6.5 x 5cm [Effective dog bark control] - Newly upgraded chip that stops barking excessive and noisy dogs by emitting an ultrasonic sound to silence the dog. More effective than older versions as a deterrent and waterproof. [4 Adjustable Sensitivity] - The anti-bark device has 3 range levels and a test mode. Including: low sensitivity (15 feet), medium sensitivity (30 feet), high sensitivity (50 feet). you can use test mode to check whether the microphone and speaker are working properly. [Harmless] - It emits high frequency ultrasonic to make the dog feel uncomfortable and stop to bark instead of hurting him, without effect on the health of the dog. And is completely inaudible to humans, so it is absolutely safe. [Waterproof and durable] - The bark device designed for outdoor use is made of waterproof material of high quality. Whether it’s a
