Features: Experience long power with CR1620 3V Lithiums Button Batteries, for performances in devices like car key remotes. These batteries feature high energy density of 70mAh and stable 3V output, ensuring consistent signal transmission without voltages fluctuations. for individuals and everyday users who rely on small electronic devices for daily convenience. for use in various, from the chilly winters to hot, thanks to their wide operating temperature ranges of 30°C to +60°C. With low selfdischarge rate and leak proof stainless steel casing, these batteries offer safety and longevitys, meeting international safety standards. Specifications: Materials: Metal Size:16x16x2mm/0.62x0.62x0.08inch Package Includes: 5Pcs CR1620 Battery note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!