【3 training modes】This dog shock collar has 3 modes: standard tone, vibration levels (1-8) and shock levels (1-16). These modes are designed to correct dog behaviors such as aggression, peeing in the wrong place, sitting at the wrong time, unnecessary barking and other inappropriate behavior 【800M remote control】The dog training collar is designed for a range of up to 800 m, so you can easily train your dog in the garden or park. 【safety lock button & memory function】The safety lock button can protect your dog from accidental tampering. The memory function for settings makes it easy to use, so there is no need to reset the collar. 【Waterproof and rechargeable】With the 100% waterproof IPX7 receiver collar, you can train your dogs even on rainy days. However, please make sure the charging port is closed when the receiver is immersed in water, and please do not put it in the water for a long time. The rechargeable transmitter and receiver can be charged quickly at the same time. Can be