Functions:<br> Works on 12V/24V, 36V, 48V / 72V battery.<br> Lampa flash LED warning of low and high charge.<br> Specially designed do monitor battery level during charging or discharging.<br> Display 10-segment bar chart LED.<br> Option of memory do recall the amount of electricity.<br> High reliability, wide operating voltage and temperature range.<br> Specifications:<br> Operating voltage: 12 V / 24 V, 36 V, 48 V / 72 V.<br> Operating current: nominal 20 mA<br> Accuracy: +/- 0,5%<br> Operating temperature: -40 ℃ - + 85 ℃<br> Humidity: 95% RH (non-condensing) at 32℃ or more for 2 hours<br> Waterproof: IP65<br> Package weight: ok. 68g<br> Assembly: do golf cart or other battery powered equipment 12V / 24V / 36V / 48V / 72V DC<br> Package includes:<br> 1 x Battery Indicator<br> 1 x Accessory Set<br> Connect the appropriate voltage, according to the marking on the back of the battery indicator. Too high or too low voltage will cause damage or malfunction of the battery indicator.