This rechargeable nickel metal hydride battery pack is specifically designed for Security System Product Features: Voltage: 7.2 Volt Capacity: 600 mAh Battery Chemistry: Ni-MH Part Number: MC1P-726BH Security Alarm System Battery Direct Replacement Size Dimensions: 2.40" x 0.41" x 1.76" Weight: 2.5 oz White 2 Pin Connector This battery works for the following models: Intrusion 300-06868 TSS Keypad Battery 8DLLKP500 8DLTSSCBASE1 8DLWLTP100 Battery WLTP100 Lyric Smart Peripheral Wireless Keypad LKP500-24B Battery LKP500 Auxiliary Keypad L5000 Lyric Lynx Plus