Feature:1. PC Material: Made of PC material, this voltage protective device is flame retardant, impact resistance, weather resistance, and not easy to deform.2. Safe to Use: With overvoltage protection, undervoltage protection, unstable voltage protection and voltage display functions, this voltage protective device is safer and more reliable to use.3. Auto Recovery: After the voltage is stable, the voltage protective device will be automatically restored after 1S to 600S.4. Digital Display: The voltage protective device has a clear screen with 2 data display, so people can also use it as a voltmeter.5. Adjustable Values: You can manually adjust overvoltage, undervoltage and overcurrent protection values to better defend your devices.6. Additional Functions: This voltage protective device has the functions of reset mode selection, fault inquiry, and factory reset.Specification:Item Type: Voltage Protective DeviceMaterial: PC Flame RetardantRated Voltage: 230VACCurrent: 1-63AOvervoltage Protection Value Range: 230V-300VUndervoltage Protection Value Range: 140V-210VRated Frequency: 50/60Hz>U and <U Reset, Start Delay: 1s to 600sError: 2%Voltage Measurement Accuracy: 1%Rated Insulation Voltage: 400VOutput Contact: 1NoElectric Life: 100000 TimesMechanical Life 1000000 TimesProtection Class: IP20Altitude: Less Than or Equal to 2000mWorking Temperature -50 to 55Humidity: Less Than or Equal to 50% at40 (Non Condensing)Humidity Temperature: -30 to 70.Package List:1 xVoltage Protective Device