Product specifications: <br />- Model: JS-C33 <br />- Product size: 6.2 x 3.4 x 1.4cm / 2.4 x 1.3 x 0.6 inch <br />- Installation size: 5.9 x 2.9 cm / 2.3 x 1.1 inch <br />- Screen size: 3.6 x 2.0cm / 1.4 x 0.8inch <br />- Working voltage: 10V-100V - Working current: 5MA - Sleeping power: 10UA<br />- Working temperature: -10 -55℃<br />- Backlight Color: Blue<br />- Weight: 21g/Pc Package includes 2 x Capacity Monitor <br />Features: <br />1. Low power red mark flashes to remind. Installation is simple, with a buckle, without screws. <br />2. The material to be color liquid crystal, bright and clear display, display at soft night. <br />3. Display voltage, temperature and capacitance percentage of the battery in a single interface. <br />Note: The default setting is suitable for use in 12V lead acid batteries.