Waterproof
If you are disturbed and your neighbor has not installed a similar device and your dog's barking disturbs your rest and work, you can install this device into your yard without worrying that it is not waterproof. The updated device is designed in the shape of a bird house and the battery is designed to the bottom, which is completely waterproof !
Wide Range
The device has a very long detection range, up to 50ih, you can manually adjust its control range when needed, noble wine is very suitable for your temperament