Made of quality ABS + nylon material, durable for longtime 

Shock, ultrasound, voice control, 3 intensity adjustment

LED breathing light lighting for quickly locating the location of the dog

USB charging, rechargeable by power bank, PC, etc, built-in microphone trigger

Products using large capacity 300mA lithium battery and up to 60 days long standby

Absolutely waterproof, no matter wind or rain, please rest assured to use