Features Accurate Measurement: This DIN rail voltage meter adopts advanced circuit technology and fine components, which can accurately measure voltage values with a wide voltage range of DC 11V‑310V. Switching Output: This rail voltmeter has a switching output function, which can convert voltage into digital through the switching output port, facilitating subsequent control and processing. Intuitive Display: This DC voltage meter adopts a large LCD display screen, which can intuitively display voltage values and other related parameters, making it convenient for users to observe in real time. Easy Installation: This digital voltmeter adopts DIN rail installation, which can be directly installed on the rail of electrical device, avoiding the traditional problems of complex installation and large space occupation. Easy to Operate: This digital voltmeter has a simple and clear operating interface and user friendly design, allowing users to achieve related functions through simple button operations, convenient and efficient. Spec: Item Type: DC Voltage Meter Material: PC Display Circuit: 1 Power Consumption: 1W Current Type: DC Voltage Range: DC 11V-310V Accuracy: ≥100V: 1%, Overvoltage Withstand Ability: +5% within 1 hour Low Voltage Alarm: L0 High Voltage Alarm: H1 Meter Type: Digital Display Display Digits: 3 Digits Start up Display: 888 (888ms) Isolation: Full isolation between channels Installation Type: DIN Rail Working Temperature: 0℃-40℃ (32℉-104℉) Storage Temperature: -40℃-60℃ (-40℉-140℉) Protective Level: IP20 How to Use: Follow the instructions manual after taking out the product. Package List: 1 x Voltage Meter 1 x User Manual Package List 1 x Voltage Meter 1 x User Manual