Wide application: works with all 1.5V, AA, AAA, C, D batteries, button cell and 9V batteries.Accurate and easy to read: The analog display needle moves on a color-coded calibrated scale to quickly indicate good status. (green), & quot; weak & quot; (yellow) and & quot; replace / recharge the battery & quot; (red) to recognize.Easy to carry: small, easy to carry, can be used anytime; anywhere to quickly test the battery capacity. No Electricity: No battery is required for operation, making it easy to use.Use: Perfect for people who regularly use regular or rechargeable batteries. < p> Size: 11.1 * 6.05 * 2.6 cm / 5.26 * 5.39 * 2.34 cm / 11.3 x 6.4 x 3 cm Color: black Material: ABS Notes: 1. Please allow 1-3mm differences due to manual measurement, thank you for your understanding! 2. Please Note;Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package List: 1 x battery tester