①STRONG POWER: Unique Energy Gathering Technology, so that the Battery Power is More Sufficient, More Powerful Work ②SAFE AND RELIABLE: Tested by Strict Quality Control Standards. Provides Longer Battery Life and Longer Lasting Power ③APPLICABLE EQUIPMENT: Remote control, Watch, Calculator, Electronic notebook, Thermometer, Mobile game ④WHAT YOU GET：5 PCS Fresh CR2430 Battery in Blister Pack