Size:30×11.7×9.2mm Color: red, yellow, blue and green 1. High-precision measurement: the digital voltmeter can accurately measure the voltage value in the circuit, and it has high precision and small error, it can input 2.5-40V. 2. Intuitive display: the digital display interface is a large screen LED, the display effect is obvious, can clearly show the voltage changes in the circuit, convenient for the operator to observe and use. 3. energy saving and environmental protection: the digital voltmeter adopts advanced display technology, which can display the voltage value stably under low power consumption, and will not consume a lot of power resources or produce too much heat. 4. High-strength shell: the shell of the voltmeter is made of high-strength materials with good durability and shock resistance, and can withstand different degrees of collision and vibration in use to ensure its long service life. 5. MULTIPLE OCCASION USE: The digital voltmeter is suitable for a variety of different occasions, such as laboratories, factories, offices, homes, etc., you can use it to test the voltage value in the circuit, with a wide range of functions and practicality. Package includes:1pcs*Digital Voltmeter 2.5-40V Voltage Meter