Features: 1. Made of quality material, which is durable and for long time use. 2. Perfect tools for checking the batteries. Digital display of testing results. 3. Mini size, easy to hold and convenient to use. Great small tool can tell you if your battery is good, low, or needs to be replaced. 4. It can test 1.5V or 9V batteries, quick measuring of battery voltage. 5. Can quickly test your battery, whether to charge the battery to extend the life of the battery Specification: Item Type: Battery Tester Material: Plastic Size: Approx. 112x61x27mm / 4.4 x 2.4 x 1.1in Weight: Approx. 67g / 2.36oz Package List: 1 x Battery Tester Package List 1Made of quality material, which is durable and for long time use. 2Perfect tools for checking the batteries. Digital display of testing results. 3Mini size, easy to hold and convenient to use. Great small tool can tell you if your battery is good, low, or needs to be replaced. 4It can test 1.5V or 9V batteries, quick measuring of battery voltage. 5Can quickly test your battery, whether to charge the battery to extend the life of the battery