The Pet Life ®  Yard-Trek 1-to-2 Dog 550 Yard Range 16-Level Vibration and Sound Training Dog Collar provides range of approximately 550 Yards 1650 Feet and is Non-Shock or a safer alternative to E-Shock with 2 channels that allows training of upto 2 dogs (Additional Receiver sold seperately). The Transmitter provides 3 modes that includes 16-Levels of Vibration, 8-Levels of Sound, with simultanious Sound and Vibration that simply activates at the press of a button. The intensity levels are adjusted by the up and down button located on the Transmitter for easy adjustment. Additionally, the Transmitter features an LCD Display screen that displays intensity levels, battery life, and channel identifier with a toggle switch and an On and Off Safety switch that prevents accidental usage when carrying. Features an automatic wireless detection option that when enabled activates once your dog is out of range. Includes a Dual-USB charger that can charge both the Receiver and Transmitter in 2-3 Hours for upto 15 Days of Standby time usage with over-charge voltage protection and further includes 4 Metal Prongs and covers for Short and Long-Hair dogs and a wrist-band.  The Transmitter fatures a slim design for easy carrying. The Receiver and Transmitter feature IP67 Waterproof Rating. The durable nylon dog collar or receiver is designed to fit neck-girths ranging from 6.5 - 24 Inches.

Specifications: 
Battery Capacity: 300mAh
Charging Port: USB
Charging Time: 2-3 Hours
Standby Time: 15 Days
Battery Type: Polymer Lithium Ion
Rated Input: 5V/1A
Operating Voltage: 3.7V
Waterproof Rating: IP67
Range: 550 Yards