Features:
Multi-dog training system, it can be expandable to three-dogs operation.
Range up to 600 meter.
3 modes for correction and training: Tone, Vibration and stimulation.
Train up to 3 dogs from the same transmitter,and come with 3 receivers.
Free combination among tone, vibration and stimulation.
1-99 levels for each model.
3 group memories for each dog.
Big LCD digital for instruction.
With an antenna.
Suitable for most of dogs (from mild-mannered dog to stubborn dogs).
Easy to use and ergonomic transmitter.
Safe and effective.

Specifications:
Transmitter power supply: 1 * 6F22 9V Batteries (include)
Transmitter size: 13 * 5.3 * 3.6cm
Transmitter weight: 69g
Receiver power supply: 2 * AAA batteries (include)
Receiver size: 8.3 * 4.5 * 3.2cm
Receiver weight: 89g
Package size: 23.4 * 19.4 * 5.2cm
Package weight: 555g

Package include:
1 * LCD transmitter
3 * Receiver collars
3 * Black collar straps
6 * AAA batteries
1 * Antenna
1 * 6F22 9V batteries
3 * Shock testers
12 * Metal prongs
1 * User manual