5135A 3 1/2 Digit Red LED Digital Panel Meter DC Voltmeter Voltage Meter (DC5V/DC10V/DC20V) Features: Compact shape and lightweight, convenient installation and easy e. It offers high accuracy, reliable performance and accurate measurement. Universal case, flat rectangular shape and dark red window, practical e. Specification: Condition: 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