Features:Application: Widely used in electric vehicles, sightseeing bus, scooters, golf carts, aerial work vehicles, stacking trucks, trucks, forklifts, elevators, excavators, road rollers and other battery equipment.Power display: 5 LED lights display the current power in real time. Real-time display of remaining battery power. When the battery remains 20%, the first green light is always on, and when the battery remains 10%, the first green light flashes.Automatic identification: automatically identify the current battery capacity when powered on. Automatically identify 12V and 24V when energized, and identify it as 12V when the voltage is less than 16.5V; When the voltage > 16.5V, it is recognized as 24V.Simple installation: fixing method: screw fixing. Connection mode: the positive and negative poles of the power supply can be directly connected with the positive and negative poles of the product.In The Box: 1x Battery Meter. 2x Screw. 2x Cable tie. 1x Adhesive tape. 1x User manual. Specifications:Item name: Battery MeterType: lead-acid battery meterModel: BI005Display mode: full LED displayOn-off function: it can be turned on and off by pressing the key.Voltage range: 12V 24VWaterproof grade: IP65Installation hole spacing: 27.5mmItem size: 42*33.5*11mm/1.65*1.31*0.43inItem weight: 40.1g/1.41ouce Note:Light shooting 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 +/- 10-30mm. Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.