Additional or Replacement Collar for Premium X-10 Fence System

Works with the model X-10 electronic dog fence to provide state-of-the-art pet containment with the capacity to operate additional electronic pet care products. Features exclusive pulsed proportional stimulus system that delivers shock and tone stimuli in short bursts that increase in intensity as your pet approaches the boundary wire. Extremely slim, lightweight design is 1 of the smallest electronic collars made for maximum pet comfort. On-board ultrasonic transmitter to control optional accessories including Power Pet fully automatic pet doors, Sound Barrier and Yard Barrier sonic fences and Radio Mat electronic scat pad. Rechargeable lithium-ion battery never needs replacement (requires High Tech Pet model CRX-10 charger included with the X-10 fence or sold separately). Fully waterproof. Extra loud and clear progressive training tones for quicker boundary training. Built-in battery and stimulus tester. Dual radio receivers provide omni-directional reception for consistent field width, regardless of the direction your dog is moving