HIGH SAFE AND SUSTAINABLE: Using high quality core raw materials and precision manufacturing process make battery safer.leak-proof, 0 % mercury,environment friendly green cellsWIDELY USED: Ideal for airtag, car/key fobs, lights, weight/kitchen scales, security alarms/cameras, calculators, watches, toysDURABLE AND RELIABLE: Fresh, stable voltage 3V, high capacity, 5 year shelf-life,Self-discharge rate is less than 0.5% per year at room temperature in original packageWIDE TEMPERATURE RANGES: These 3v cr 2032 batteries performs in cold temperatures as low as -4 F and as warm as 140 F.suitable for your device indoor and outdoorLONG-LASTING POWER: Using high quality core raw materials and precision manufacturing process make battery safer. Tested under Strict Quality Control Standards.CE and ROHS Certified