Feature: Applicable battery: Battery capacity monitor is suitable for 10-100V lithium battery, lead-acid battery, lithium iron phosphate battery, Ni MH battery and other batteries. Multifunctional: Not only can display battery capacity and voltage, but also can display the temperature, and could be easily switched. Protection: the battery power detector comes with input reverse connection protection, won't burn if connect reversely. Auto-off: Automatically turn off for saving the power, the auto-off time can be adjusted from 10 seconds to 120 seconds. LCD display: Adopts clear LCD color screen, displays battery capacity, voltage, temperature value. Widely used: Can be used as battery voltage tester meter, battery capacity detector and temperature indicator panel for car, marine, RV, boat and so on. Easy to operate: It is designed with the on/off switch, convenient for your daily operation. Specification: Size: 61.36*33.6*13.5mm Color: black Material: ABS Suitable for battery: 12V/24V/48V Display: LCD Protection: reverse protection Working voltage: 10-100V Working current: 9MA Sleep mode dissipation: 10UA Temperature: -10-55 Package Included: 1 * Battery Monitor Note: Please allow 1-3cm difference due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures.