No. 1 battery for gas stoves

Material:carbonSize:4.3*0.9*0.9Instructions:How to Use: Please install batteries with the proper polarity.Note:Precautions: 1. Before the battery is used, it should be placed in a cool place;2. Please refer to the positive and negative (+-) poles of the electronic product to indicate the battery of the device; 3. Do not mix different brands, different types or new and old batteries; 4. Do not charge, disassemble, damage or discard the battery in fire;