HIGH QUALITY: This high quality A10 9V Alkaline battery cell is ideal for frequent use in high power devices. With high capacity this alkaline battery is designed for devices that need long lasting power ALSO KNOWN AS: This Alkaline A10 9V is also known as LR10, 10A, MN10 , L1021 & GP10A PACK OF 1: This pack of A10 Alkaline battery measures 10.1 x 10.1 x 21.6mm and weighs 5g LONG LASTING & RELIABLE: This alkaline battery givens you reliable performance and long life of up to 3 years. This battery can be used at temperatures from -20°C to 60°C IDEAL USAGE: This battery is ideal for use in watches, calculators, car keys, digital cameras, toys, remote control, mini stereos, alarms, pagers, and emergency lights