Humane and Effective Modes with Indicator Lights: Bousnic dog training collar with remote has 3 modes (beep / vibrate / 1-16 level shock). Indicator lights (green/orange/red) help us distinguish which mode we are using. 1000ft Through-Wall Control Range: The range of the Bousnic dog shock collar is 1000ft. A stronger and steadier signal gives us complete freedom to train our dog in a huge space (backyard/park/beach) without losing control. IPX7 Waterproof & Lightweight Receiver: Bousnic dog e collar weighs 1.75 oz, smaller, thinner and lightweight. No any burden for our dogs (neck size from 7-27 inches) when our dogs play in the pool, raining, or bathe. 2 Channels & Keypad Lock: The training collar for dogs is designed with a security lock to say goodbye to accidental shock and spurious triggering, as well as a dual channel that admits we can train 2 dogs with one remote. Quick Charging & Long Runtime: Bousnic shock collar with remote can get a quick burst of charge in just 2 hours and last for 15-30 days, easily charges with our power bank or car charger when we are outside. dog training collar