Duracell Procell with long lasting lithium performance. Engineered for small, professional safety, security, smart home and medical devices. Package of 5. General Information Manufacturer:Duracell Inc.Manufacturer Part Number:PC2016Manufacturer Website Address:http://www.duracell.comBrand Name:ProcellProduct Series:ProfessionalProduct Name:Lithium-Manganese Dioxide BatteryPackaged Quantity:5 PackPackage Type:RetailProduct Type:Battery Battery Information Application/Usage: Security Device Watch Toy Key Fob Tracker Medical Equipment Fitness Device Sensor Battery Size:CR2016Battery Chemistry:Lithium Manganese Dioxide (Li-MnO2)Battery Capacity:110 mAhOutput Voltage:3 V Physical Characteristics Height:62.99 mil (1.60 mm)Width:0.79" (20 mm)Weight (Approximate):0.06 oz (1.74 g) Miscellaneous Country of Origin:ChinaEnvironmentally Friendly:YesEnvironmental Compliance: Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) Restriction of Hazardous Substances (RoHS) Product Numbers: 41333-03457 041333034574 DUR04829 829815 DURPC2016 041333048291