The B-12V0.8 rechargeable transmitter battery is for the TX-2 transmitter on your High Tech Pet Fence. The battery kicks in if the power goes out.  It works with the transmitter's automatic recharging circuitry.  Automatically recharges when the power comes back on so it ready for the next unexpected power outage. A must-have accessory for the High Tech Pet Humane Contain Fence.

Works with these High-Tech Pet Fences

• HC-8000 Ultra Fence
• X-10 Ultra Fence

Features

• Stays charged automatically
• If the power is out the fence still works
• Battery lasts for 2 days 
• Specs: B-12V0.8 

Box Includes

• One rechargeable battery