LED Flash for low charge and high charge warning Specifically designed to monitor the power level of battery during charging or discharging Memory function to recall last charge level 10-segment LED bar graph display Wide operating voltage and temperature range Hour Meter with 6-digit, 7-segment LCD display Operating and storage temperature: -40°C to 85°C Operating current: 20 mA nominal Memory capacity: CMOS EEPROM Compatible with golf carts and other equipment powered by 12V/24V/36V/48V/72V DC batteries Product dimensions: 5.8 x 5.1 cm (D x H) Note: Before connecting the indicator to the battery, confirm the battery voltage and connect the positive terminal to the correct pin on the back of the indicator. Incorrect voltage connection may damage the battery indicator. Package includes: 1 x Battery Indicator with Hour Meter 1 x Pack of Accessories 1 x User Manual (English) Note: Lighting and display differences may cause slight color variations between the item and the image. Measurement error allowed within +/- 1-3 cm.