Established in 1972 Golden Power Corporation(Hong Kong) Ltd., Have Devoted Over 40 Years in Marketing Product Development in Batteries Field. We are Experts in batteries world. Together we collaborate and build a better life of well-being. Our battery products are suitable for a wide range of devices in our daily life which bring everyone a happier, healthier and more harmonious way of life. Green Passion Golden Power 's signature series of batteries were born from our mission of creating batteries that are protective to our nature and harmless to our environment. The idea certainly corresponds to the universal values of resource ef?ciency and environmental protectionism. Our batteriaes are free from hazardous substances like mercury, lead and cadmium. They are de?nitely an iconic generation of green and sustainable battery products. Product Model: LR920GH Voltage: 1.5 Volt Item Weight: 0.02 ounce Item Diameter: 0.37 inch Item Height: 0.08 inch