LP6 waterprooffor rain wear:Don' worry about love pet splash water, LP6 waterproof, rain, rain daily waterproof are not afraid. Suitable for all dogs: Adjustable collars are suitable for different breeds of dogs, ranging in weight from 15 pounds to 100 pounds. Colour:Black & White Material:plastic Principles of operation: This automatic anti-barking device has a built-in sound detector, when the dog barks, the detector receives and recognizes the dog's barking, it trigger the punishment function of the anti-barking device (including sound, ), so as to achieve the effect of anti-barking. Setting method: 1. the power on/off button to turn on the unit and hear a ticking beep. 2. the + or - button to adjust the sensitivity of the sensor up or down. 3. Blow or yell into the sensor hole at the bottom to trigger the stop barker function, the first trigger only have a warning tone, if triggered 3 times in a row within it trigger the punishment. Package Contents: 1 * Dog Training Collar 1 * USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.