DC 12V - 84V Battery Meter with Alarm, Battery Capacity Voltage Voltmeter Monitor Lead Acid Lithium

[Efficient Adjustment Key]The multi-functional battery indicator has a new design of the front adjustment button and multiple functions: cycle voltmeter\/battery percentage, turn on backlight, black, sleep mode, selection of battery type, etc.Practical : the battery capacity voltage indicators are equipped with a switched function button. You can press to check the battery capacity or real-time voltage, and flash when alarm is designed. The indicator of the battery meter flashes when the battery capacity is lowLCD display: the battery indicator indicators are equipped with a waterproof PVC screen protector with bright backlight, which allows you to read the results on the clear LCD display from different angles, low working current consumption and maximum 5 mAInsert another battery: the indicators of the battery indicator are compatible with 12V\/24V\/36V\/48V\/60V\/72V\/84V lead-acid battery, tons lithium battery, polymer lithium-ion battery, series 3-15, storage battery, water battery and moreUsage: the battery meter with alarms can be installed in machines and places such as garden, home, office and more. They can you for a long time. If you meet your different requirements and use practical battery indicators, you will receive a beautiful experienceBacklight color: Bluesize:61.3x33.3x13.5mmMaterial:Composite materialcolour:BlackPackage Contents:2 x batteriemonitorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.