Features • Wide Voltage Range: Monitors voltages from 8V to 63V, making it perfect for a variety of lithium and acid batteries for versatile applications • Intuitive Right Key Function: Easily toggle between the voltage meter, battery percentage, and power off for seamless operation • Versatile Left Key Features: Access voltmeter cycling, battery percentage, backlight activation, sleep mode, and battery type selection for customized monitoring • Compact and User-Friendly Design: Small size ensures easy connection and setup, with reverse connection protection to safeguard against damage • Durable Waterproof Construction: Built with a robust PC shell that offers waterproofing, toughness, and wear resistance for reliable performance in any environment Features: 1、Voltage Range: Multifunctional battery capacity indicator, the monitoring voltage range is 8？63V, suitable for lithium batteries, acid batteries, etc. 2、Right Setting Key: The battery tester right key can be used to toggle the voltage meter, battery percentage and turn off the battery tester. 3、Left Setting Key: The left key can be used to cycle voltmeter and battery percentage, turn on backlight, set sleep mode, select battery type, etc. 4、Easy Connection: This battery capacity meter is small and compact, easy to connect and use, with reverse connection protection to prevent burnout. 5、Waterproof Shell: The voltage indicator shell is made of PC, with waterproof , good toughness, wear resistance and resistance. Specification: Item Type: Battery Meter Material: PC Model: LY6W Voltage Range: 8-63V Package List: 1 x Battery Meter 1 x Cable Package List 1 x Battery Meter 1 x Cable