- Wilhelm CR1220 lithium button cells, 3V and 40mAh, pack of 6 units - Compatible with a wide range of devices: watches, calculators, remotes, digital thermometers, medical and sports equipment - Robust and reliable operation in extreme temperatures from -20°C to +60°C - Long lifespan with low self-discharge, up to 5 years of duration - Standard dimensions: 12 mm diameter and 2 mm height - Equivalent to other models such as DL1220, KL1220, BR1220, ECR1220, KCR1220, among others - Lithium-manganese (Li-Mn) technology for stable and safe performance - Ideal for electronic devices, cameras, voice recorders, car keys, and blood pressure monitors