Pet Life ® Howless LED 1-to-2 Dog 1,200 Foot Range 7-Level Vibration and Sound Training Dog Collar operates at a range of upto 1,200 feet or 350 meters and is Non-Shock that can train or operate upto 2 receivers (Additional receiver sold seperately) This device offers 3-Modes and 7-intensity levels Sound, Vibration, and simultanious Beep and Vibration that conveniently activates at the press of a button located on the transmitter with up and down intensity level buttons. Additionally, the transmitter features a Safety Lock feature that prevents accidental usage while carrying with a colorful LED Display screen that displays Battery-life, Operating Channel and Mode selection. Includes a Dual-USB Charger that simultaniously charges both the Transmitter and Receiver in a 1-Hour period that provides 15-Days of runtime for the receiver with 25-30 Days of runtime for the Transmitter with over-charging protection. Includes 4 Metal Prongs or contact points and covers for Short and Long-Hair dogs and a wrist-band for easy carrying. The Transmitter and Receiver offer a 1P67 Waterproof Rating. Equipped with a durable and reflective Nylon dog collar that fits all neck-girths ranging from 6.5 - 24 Inches. Specifications - Battery Capacity - Receiver 280mAh Transmitter 250 mAh Charging Port - USBCharging Time - 2-3 HoursStandby Time - Receiver - 15 Days Transmitter 25-30 DaysBattery Type - Polymer Lithium IonRated Input - 5V/1AOperating Voltage - 3.7VWaterproof Rating - IP67Range - 350 Meters / 382 Yards