Features SIMPLE SETUP The smart digital voltmeter, upper and lower limit alarm output and universal AC DC input can be set freely. Various Functions This instrument has digital filtering function, range change, free decimal point setting, top, lower and interval alarm relay output. RELIABLE ALARM: Relay alarm output includes ignition alarm suppression, ignition delay alarm and delay output alarm output delay. Transmission output: Able to transmit the signal, the transmission output has the form of voltage output to other devices. Quick to Install: Comes with compact size and light weight, the digital voltmeter is very convenient to install in several minutes. 1. SIMPLE SETUP The smart digital voltmeter, upper and lower limit alarm output and universal AC DC input can be set freely. 2. Various Functions This instrument has digital filtering function, range change, free decimal point setting, top, lower and interval alarm relay output. 3. RELIABLE ALARM: Relay alarm output includes ignition alarm suppression, ignition delay alarm and delay alarm output delay. 4. Transmission output: Able to transmit the signal, the transmission output has the form of voltage output to other devices. 5. Quick to Install: Comes with compact size and light weight, the digital voltmeter is very convenient to install in several minutes. Specification: Item Type: Digital Voltmeter Material: ABS Measurement accuracy: 0.8%+5d AC, 0.5%+5d DC Frequency response: 45-400Hz, only for AC Working power supply: AC 85-265V, power consumption less than 3VA Working environment: -10℃~50℃, humidity below 90℃ rh. Measuring speed: 2-3 times per second How to use: Take out the product and use it according to the user manual. Packing list: 1 x Digital Voltmeter 2 x accessories. Package List 1 x Digital Voltmeter 2 x Accessory