Features: 400 Yard Range Expands to 3 dogs (Additional purchase required) Waterproof Receiver and Transmitter Rechargeable Batteries Both Positive and Negative Tone Buttons 8 Levels of Stimulation Low Battery Indicator on Receiver and Transmitter Lifetime Limited Warranty Receiver Collar Specs: Height: 2 1/2" Width: 1 1/2" Depth: 1" Weight: 2.8 oz Insulated probes Receiver Indicator Light Rechargeable Ni-Mh battery (part#650-058) Transmitter Specs: Height: 5" Width: 1 3/4" Depth: 1" Weight: 3.2 oz Very small transmitter Lanyard included

General Info: Up to 400 yard range, under optimal conditions 3 collars can be used with 1 remote transmitter The rechargeable batteries are not memory sensitive and do not require depletion before charging Waterproof