Battery diameter * high = 10 * 28.5MM, is completely mercury-free products, in line with the international environmental protection 0% mercury standards, professional battery manufacturers, strong technical advantages, create outstanding performance and cost advantages, monthly output of 5 million, product performance is excellent, remote control distance is higher than similar products, battery consistency, stable performance, can provide OEM and incoming materials Processing services, providing advanced after-sales and technical services, product performance and sales rank first in the industry, products are widely used in wireless anti-theft devices, wireless doorbells, wireless door magnets, lamps, laser pens and beauty pens, lighters and other aspects of ROHS certification, welcome to consult and choose.