If you have more than one dog in your home, then you must need more dog collar receivers for them to correct their misbehavior in daily life or offer them a certain controllable range of activities. Our collar receiver is an optimal replacement for your old receiver. It offers 3 efficient and safe training modes (Sound, Vibration and Static Shock) with 1-6 adjustable levels to train your pet dogs to correct their misbehavior. IP65 Waterproof performance allows your training your dog in rainy day freely. Support ultra-long range signal reception up to 984FT/300M control radius. The receiver offers long standby time up to 30 days with the built-in 400mAh lithium battery.