The High Tech Pet 3-Volt Lithium Battery for Power Pet Door Ultrasonic Transmitter Collars powers a collar for approximately 4 months. The battery is designed for use with Power Pet door models and High Tech Pet electronic devices.

　　- Powers a collar for approximately 4 months

　　- Replaceable lithium battery

　　- Operates Power Pet door models and High Tech Pet electronic devices

　　- Installs easily

　　- Weighs only oz.

　　- MFG Model # : B-2430-2P

　　- MFG Part # : B-2430-2P