LCD DISPLAY - easy for you to monitor your battery. MULTIFUNCTION - not only displays battery capacity and voltage, but also can display Celsius temperature, two kinds of modes can be easily switched by the key. ON / OFF switch - can be turned on or off with the power button. INSTALLATION - with 50 cm extension, red side for positive, black wire for negative. Suitable for - 10-100V lithium battery (12V 24V 36V 48V 60V 72V 96V), lead-acid battery, lithium iron phosphate battery, Ni MH battery. LCD DISPLAY The battery status meter adopts a clear LCD color screen, allowing you to easily monitor your battery. APPLICATION Can be used as battery voltmeter, battery capacity tester and temperature indicator panel for car, marine, RV, boat, etc. MULTIFUNCTIONAL Battery Capacity Battery voltage Ambient temperature Battery type setting L - Lithium battery, the number behind is the number in series P - lead acid battery, the number behind is the voltage F - Lithium iron phosphate battery, the number behind is the serial number Multifunctional Not only can display battery capacity and voltage, but also can display Celsius temperature, two kinds of modes can be easily switched by key. Switch ON/OFF - can be turned on or off with the power button. Wiring method Connect the red wire to positive and the black wire to negative. When powered on, the remaining battery level and voltage will be displayed. Note: Due to the difference between the lighting and screen settings, the color of the product may vary. may be slightly different from the image. As manual measurements are different, please allow slight size differences. Shipping quantity: 1 piece