CR2450A 3V 560mAh Automotive Wireless Wide Temperature Coin Cell can be used in TPMS, Memory Back up, Clock power, Data back-up power. Intelligentized electricity meter, Water meter, Gas meter, Heat meter etc. SMOKE Alertor, Temperature sensor etc. Ocean telemetering system, location equipments etc. Electronical charging system etc. Wire-less communication, Night-vision devices, Tracking & Locating Devices etc.