ITEM NAME:Battery Status Charge Indicator Monitor Meter Gauge LED Digital 12V & 24V B9O4 Battery Status Charge Indicator Monitor Meter Gauge LED Digital 12V & 24V B9O4 Features:Display of 10 segment LED bar graph. Work for both 12V and 24V lead battery. Wide operating voltage and temperature range. Specifically designed to monitor the power level of lead battery while charging or discharging. Range indication: Green: 41~100%, Yellow: 21~40%, Red: 20% and less Specifications: Operating voltage: 12V&24V Operating Temperature: -40 Celsius~85 Celsius Storage Temperature: -50 Celsius~90 Celsius Humidity: 95% RH (non-condensing) at 38 Celsius Terminals: Max. 3; 3/16"- spades Mounting: U-shape bracket Product size: 5.3 x 3.2 x 3.8cm / 2.1 x 1.3 x 1.5in Product weight: 26g / 0.9oz Material: ABS Package including: 1 x Battery Indicator 1 x Pack of Accessories 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 +/- 1-3 cm.