DC 12V 24V 36V 48V 60V 72V Golf Cart Battery Gauge with Alarm Front Setting and On/Off Button Battery Capacity Meter Indicator Efficient setting key: the package includes 1 battery meter; the multifunctional battery indicator has a new design of the front setting button, and have several functions: cycle voltmeter/battery percentage, turn on the backlight, black, sleep mode, battery type selection etc. Practical designs: the battery capacity voltage indicators are designed with switched function button, you can press to check the battery capacity or real-time voltage and turn off, with alarm design, the battery meter display will flash when the battery capacity is low Fit Different Battery: the battery gauge indicators are compatible with 12V/ 24V/ 36V/ 48V/ 60V/ 72V/ 84V acid battery, ternary lithium battery, polymer lithium ion battery, 3 -15 series lithium ion battery, storage battery, water battery and more, note: if your meter always shows, it means that you have the wrong battery code and need to double-check and the correct code Fit different battery: the battery gauge indicators are compatible with 12V/ 24V/ 36V/ 48V/ 60V/ 72V/ 84V acid battery, ternary lithium battery, polymer lithium-ion battery, 3 -15 series lithium ion battery, storage battery, water battery and more Where to use: the battery meters with alarms can be applied to different machines and places such as garden, home, office and more, can serve you for a long time, meeting your different needs and practical battery indicators will give you nice experience _x000D_ _x000D_