【 Long Lasting Power 】YKM 40mAh CR1220 3 volt lithium battery provide long lasting power your electronic device,High density battery cells with power boost ingredients that guaranteed longer working time,through strict quality testing that maintain high performance., 【 Replaces The Following Models 】BR1220 DL1220 KL1220 L1220 ECR1220 CR 1220 , The dimensions:diameter 12mm and height 2mm., 【Leakproof Design 】YKM CR 1220 3v lithium battery are designed to excellent sealing material and protect your devices,100% leak proof liquid and explosion proof,it means meet your household needs,more safe and reliable., 【 Multiple Daily Uses 】CR1220 battery for watch, digital camera, kids toy, candle tea light, key fob, thermometer, car remote, LED flashlight, alarm clock, heart rate monitor, computer, scale,security sensor and more., 【 What You Get 】5-Year shelf life,the brand new 10 Pack YKM CR1220 button battery are built to last five years in storage,By choosing YKM batteries,you will enjoy long-lasting and durable batteries.