Features: High Capacity CR1620 Button Cell Battery. Steady !#!amp!*! reliable electric current is ensured. Commonly used in: Clocks， Watches， Calculators， Computers， Cameras， Digital Cameras， PDAs， Remote Controls， Camcorders， Electronic Games， Electronic Instruments， MP3 Players， Digital Voice Recorders， Toys， Blood Glucose， Cholesterol Testing Meters， and other electronic products. May also be known as: CR1620， DL1620， ECR1620， DL1620， R1620， LM1620. Voltage: 3V. Perform temperature: -20°C to 60°C. CC， FCC certification. Environment Friendly. Quantity: 5 pieces. Keep out of the reach of children! Package Included: 5 x CR1620 1620 DL1620 BR1620 LM1620 Button Cell Coin Batteries