Dogedu Rechargable rainproof Wireless LCD Remote Controlled Dog Training Shock electric electronic Collar with 100 Level Shock and Vibration Rechargeable and waterproof receiver 4 modes: static shock/ vibration/ beep/ light 300 Yards remote range Durable and adjustable nylon strap (length from 14" to 22.5"). Package Included:1 x remote control unit, 1 x collar receiver, 1 x charger & cable, 1 x test light & replacement probes, 1 x operating instruction 100 levels of vibration & static