GICHA(TM) Remote 4 in 1 LCD Rechargeable and Waterproof Pet Dog Training Collar with 100lvs Shock and Vibration *Shock and vibrate are suit for medium, small and extra small dogs(not for those up to 100 pound) Range is up to 250-300 meters. *Functions: electric shock, vibration, calling and flashlight. *Low battery consumption. With electric shock function, effective yet safe to the dog. *With remote control for training the dog at home effectively. *Lightweight, small receiver box is perfect for dogs. Safe and effective new pet training product, stop barking by remotely controlling the vibration function and sound instruction.