The Pet Life ®  Embarker LED 1-to-2 Dog 2,000 Foot Range Vibration Tone and 16-Level Stimulation Training Dog Collar operates at an approximate range of 600 Meters and is 2-Channel or has the ability to train 2 Dogs (Additional receivers sold seperately). The Embarker offers upto 3-Modes consisting of standard Sound, Vibration and 16-Levels of Electronic Stimulation. The Transmitter features an LED Display Screen that displays Batterly-life, Operating Mode, Channel Switch and Intensity Level with convenient one-touch activation buttons for easy-use and a Keypad lock that prevents accidental usage with IPX7 Waterproof levels for superior water protection. Includes a Dual-USB Charger that simultaniously fully charges both the receiver and transmitter in 2 Hours time that provides 11 Days of receiver runtime and 30 Days of Transmitter runtime with an automated sleep-mode option. Additionally this device includes 4 contact points and covers for Long and Short Hair dogs.  The durable dog collar receiver fits all neck-girths ranging from 6.5 - 24 Inches. 

Specifications: 
Battery Capacity: 300mAh 
Charging Port: USB
Charging Time: 2 Hours
Standby Time: Receiver: 11 Days | Transmitter: 30 Days 
Battery Type: Polymer Lithium Ion
Rated Input: 5V/1A
Operating Voltage: 3.7V
Waterproof Rating: IPX7
Range: Approx. 670 Yards / 600 Meters