Battery size: diameter * height = 7.5mm * 28mm. It is totally mercury-free and meets the world environmental standards. It is mainly used in motorcycle and automobile anti-theft devices, wireless remote control products, home anti-theft products and other aspects. The product has the obvious advantages of low internal resistance, good leak-proof, large output current, remote control distance and so on. Strong technical strength, according to user requirements of production design, can provide our brand and customer brand processing services, in line with the EU ROHS standards, welcome to choose