Product Specifications: <br />- Model: JS-C33 <br />- Product Size: 6.2 x 3.4 x 1.4cm / 2.4 x 1.3 x 0.6inch <br />- Installation Size: 5.9 x 2.9cm / 2.3 x 1.1inch <br />- Screen Size: 3.6 x 2.0cm / 1.4 x 0.8inch <br />- Working Voltage: 10V-100V - Working Current: 5MA - Standby Power: 10UA<br />- Working Temperature: -10~55℃ <br />- Backlight Color: Blue <br />- Weight: 21g/pcs Package Includes 2 x Battery Capacity Monitor <br />Features: <br />1. Low power red mark flashes to remind. Installation is simple, with a buckle, no screws. <br />2. The material to be used Color liquid crystal, clear and clear display, shows a soft night. <br />3. Displays the voltage, temperature and capacity percentage of the battery in a single interface. <br />Note: The default settings are suitable for use with 12V lead-acid batteries.</p>