- Electronic dog training collar with remote control up to 880 yards (approx. 800 meters) - Waterproof (IP67), suitable for swimming and walking in the rain - Training modes: LED light to locate the dog in the dark, adjustable vibration and electric shock (0-99 levels), and warning sound - Backlit LCD screen for nighttime use - Adjustable soft PU collar, suitable for medium and large dogs (over 9 kg) - Soft silicone contact points to protect the dog's skin - Rechargeable lithium battery, simultaneous charging for transmitter and receiver, up to one week of standby time - Easy to operate, ergonomic design and easy-access buttons - Includes: 1 receiver collar, 1 remote transmitter, 1 charging cable, 1 adapter, 1 test bulb, 1 nylon strap, 2 contact points, and 1 user manual - Recommendations: charge before first use, test vibration before shock, observe the dog's reaction, and do not use if skin irritation occurs - Helps correct barking, walking, leash training, sitting, aggression, and other unwanted behaviors