Remote Control Collar with Vibration and 6 Levels of Shock for Training Stubborn Insensitive Dogs Remote control up to 300 yards 6 levels from weak to strong for you to select The conductive rubber electrode is soft and the static impulse can penetrate the hair of the pet. Power-saving mode of receiver prolongs the life of the battery. The vibration call can help the master communicate with the pet gently. It will let your pet associate the vibration with static impulse.