Feature: 1. Dual display car voltmeter, real-time display of car battery voltage. 2. 3-digit LED digital display, high brightness, clear and easy to read. 3. High-quality PC material, nice durability, scratch and high temperature resistant. 4. Easy to install and use, suitable for 12/24V car, truck, marine boats, SUV, etc. 5. Delivery only includes a voltmeter. Voltage measurement range: 6-35V. Specification: Features: Dual display car voltmeter, real-time display of car battery voltage. 3-digit LED digital display, high brightness, clear and easy to read. High-quality PC material, nice durability, scratch and high temperature resistant. Easy to install and use, suitable for 12/24V car, truck, marine boats, SUV, etc. Delivery only includes a voltmeter. Voltage measurement range: 6-35V. Specifications: Product Color: Black LED Display Color: Red/ Blue/ Green(optional) Material: PC Input Voltage: 12-24V Input Current: 3100mA Measuring Range: 6-35V Working Temperature: -40-80℃ Item Size: 105 * 43 * 31mm/ 4.1 * 1.7 * 1.2in Item Weight: 44.6g/ 1.6oz Package Size: 95 * 91 * 40mm/ 3.7 * 3.6 * 1.6in Package Weight: 70g/ 2.5oz Packing List: 1 * Voltmeter Package List: 1 * Voltmeter