Features 1、Compact shape and lightweight, convenient installation and easy to use 2、It can measure and show DC voltage, providing fast response 3、The voltage meter uses 3 1/2 digit red LED display, clear to read 4、It offers high accuracy, reliable performance and accurate measurement 5、Universal case, flat rectangular shape and dark red window, practical to use Specification Features: Compact shape and lightweight, convenient installation and easy to use. It offers high accuracy, reliable performance and accurate measurement. Universal case, flat rectangular shape and dark red window, practical to use. Specification: Condition: 100% Brand New Material: Plastic + Aluminum Model: 5135A Item Type: 3 1/2 Digital Panel Meter Display Accuracy: ±0.3% Measuring Accuracy: ±0.5% F.S ±2 digit Response Time: 0.3(s) Display Range: 0~±1999 Polarity Display: Only "-" display (only DC) Display: Red LED (14.2mmH) Operation Temperature: 0~60℃ Operation Humidity: 20~95%RH Power Supply: DC5V±0.2V/150mA Installation: Panel Mounting Size: Approx. 79*43*24 mm / 3.1*1.7*0.9 in Package list: 1 * Voltmeter Panel 2 * Connecting Line Package List