and high quality Made of high quality material, and practical to use LED battery indicator can be used in 48V DC battery, LED flashes for low battery and high battery 10-segment LED bar graph display, resolution: 10% per segment: 3-color LED display, different lights directly display different battery power; In the key switch input mode, it is used to turn on and off the LED display while still monitoring the charging status of the battery. The memory option can recall the last power level; this battery indicator has a delay time to avoid incorrect display of the battery level: once the battery is fully , the meter continue to cycle for 6 minutes and then remain in the "full" position. Color: As Shown Material: plastic Package Contents: 1 * Battery Indicator Only the above package content, other products are not included. Note: Light reflection 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.