Manufactured by: Duracell System: Primary Non-Rechargeable Cells Type: Alkaline Size: MN21 Voltage: 12 V Capacity: 33 mAh Dimension: 10.3 mm Diameter Height: 28.5 mm Weight: 8 g Description: Duracell 12V battery fits 85% of car alarm remote controls in use today. Also known as the GP23A, LRV08, L1028, RVO8, 23A, MS21, MN21, E23A, K23A, V23GA, 8LR932, 8LR23, VR22, 8F10R, CA20. Commonly used in car alarms, burglar alarm, remote controls, cigarette lighters, dog collars, electric fences, keyless entry systems, and other electronic devices