They are alkaline button batteries. They are intended primarily for products requiring long-term durability at room temperatures, such as: watches, calculators, electronic games, remote controls, etc. Their storage period is up to 3 years and the operating temperature is 0 °C to +45 °C.

chemical composition: alkaline
voltage: 1.5V
category/series: Alkaline cell
nominal capacity: 70 mAh (at 1.6 kOhm load)
type designation GP 186F (AG12, LR43, LR1142, V12GA)
size 11.6 × 4.20 mm