How To Change Wireless Doorbell Battery at Nina Pierson blog Electronic Rechargeable Button Cell Batteries Design for Calculator Multi functional key to aid battery removal in SmartCell wireless How to Choose the Right Button Battery for Your Devices JUST. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit COL RET ILL Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Japanese Movement Water Resistance Compatibility: Suitable for 50m Water Resistant Watches Mercury Free: Environmentally Friendly (0% Hg) High Low Temperature Tolerance: Extended Performance in Extreme Climates SKU: COL RET ILL_K0067179