Features:_x000D_ 1. Two-Wire LED volt meter panel, able to measure the voltage range is DC 2.4-30V._x000D_ 2. 0.36 inch digital LED display, reading is more clear and convenient._x000D_ 3. Dust-free workshop production, using imported original chip._x000D_ 4. Low power consumption, high stability, high accuracy._x000D_ 5. The appearance adopts international standard size, more convenient to install._x000D_ _x000D_ Specification:_x000D_ Condition: 100% New_x000D_ Item Type: DC Voltmeter_x000D_ Working Voltage: DC 2.4-30V_x000D_ Measuring Range: DC 2.4-30V_x000D_ Installation Opening: Approx. 23 * 14.5mm / 0.9 * 0.6in_x000D_ Minimum Operating Voltage: +2.4V_x000D_ Maximum Working Voltage: +30V_x000D_ Working Temperature: -10 C ~ +65 C_x000D_ Working Humidity: 10~80% (No Condensation)_x000D_ Working Pressure: 80~106KPa_x000D_ Dimensions: Approx. 33 * 15 * 10mm / 1.3 * 0.6 * 0.4in_x000D_ Voltmeter Digital Tube Color: 5 * Yellow _x000D_ _x000D_ Package List:_x000D_ 5 * DC Voltmeter_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.