Features: Battery tester can be used to test the battery voltage and capacity of electric motorcycle, motorcycle, golf cart, car, car, ship, saloon car, boat, etc. Digital battery monitor is suitable for 7-100V (Indicator 24V 36V 48V 60V 72V 84V) ternary lithium battery, lead acid battery, lithium iron phosphate battery. Default 12 volt lead acid battery. Input reverse connection for protection. No heat even when used for a long for time under high pressure. Buzzer alarm & Temperature. The battery monitor can set low voltage and high voltage buzzer alarm, short press "for M" for key to switch voltage and temperature (Celsius). Power off memory. The battery monitor can retain Settings when power is off. Specifications: Material: ABS Size: Approx.64x36mm/2.52x1.42in Color: Blue, White(optional) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Monitor