For Medical Equipment, Garage Door Opener, Car Alarm, Door Lock, Motion Detector, Keyfob Transmitter, GPS Device, Security Device - MN21/23 - 34 mAh - 12 V DC - 2 / Pack
- Duracell 12V Alkaline Battery
- It is guaranteed for five years in storage with Duralock Power Preserve™ Technology
- The batteries also contain 0% mercury