Aeteretk Top At-919c Submersible Dog Training Shock Collar 1000m Remote Range Rechargeable and Waterproof Auto Anti Bark Upgrade AT-919C,better quality,more effective. Receivers DC base adopt embedded injection molding process, and equipped with high-precision-waterproof ring with built-in guide slot , ensured waterproof effect over 3 hours underwater 50cm. LCD Display ,1000M remote control range,let your dogs with freedom. 3 types correctional methods: beep, vibrate and shock. Respond quickly, and can keep working until you release the function button. New electromagnetic induction way to Turn on /off the device ,more convenient. use the most advanced design, electromagnetic induction switch solution, on the power ON/OFF switch to ensure unlimited accurate switch, more convenient and reliable. Sensitive auto anti bar fuction. Aetertek match and got all necessary certification which meet USA and EU standard, such as CE, FCC, RTTE, ROHS and so on. Submersible receiver (100% waterproof).All of Aetertek products use the TPU collar with high strength, high toughness, easy to clean, can be cut to different length according to your dogs neck size.