Features: VARTA AAAA, 8,2 mm diameter x 40,2 mm height with 1,5 V and alkaline technology for good energy performance Reliable power source and durability for everyday use in various devices such as surface pens, medical equipment, alarm systems, remote controls and much more Also known as MN2500, LR8D425 Specifications: Brand: Varta Battery Size: AAAA Qty: 2pcs