Best Xinlong Vibration and Shock Electronic Dog Collar Pets Training Collar 330 Yards Remote Dog Training E-Collar Rechargeable and Waterproof transmitter and collar receiver. Easy and convenient read LCD screen. 100 levels of accurate static shock and vibration stimulation. Fits all dogs from 15 lbs. and larger with a collar size from 7 to 26 inches. Remote Training Collar with advanced RF434Mhz technology, ranging up to 330 yards.