Features: This multimeter can be used as battery voltage meter, battery capacity tester. the battery power detector comes- with protective shell, input reverse connection protection-. The battery status- reader adopts clear LCD color screen, displays battery capacity & voltage. if low voltage, indicator flashes and buzzer alarms. Can be applied to different machines and places- such as garden, home, office and more, can serve you for a long time-. Specifications: Material: plastics Size: approx 4x6.1x2.2cm/1.6x2.4x1-inch Measuring range: 8-30V Color: blue/green/white Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Monitor