Voltage protection device adjustable digital display automatic recovery fireproof limiting device 1 - 63A 230V Feature: 1. PC material: made of PC material, this voltage protection device is flame retardant, impact resistant, weather resistant and not easy to deform.2. Safe to use: with over voltage protection, under voltage protection, unstable voltage protection and voltage indicator functions, this voltage protection device is safer and more reliable to use.3. Automatic recovery: After the voltage is stable, the voltage protection device will be automatically restored after 1S to 600S.4. Digital Display: The voltage protection device has a clear screen with 2 data displays, so people can also use it as a voltmeter.5. Adjustable Values: You can manually adjust the overvoltage, undervoltage and overcurrent protection values to better defend your devices.6. Additional Features: This voltage protection device has the functions of reset mode selection, fault inquiry and factory reset. Specification: Item type: voltage protection device Material: PC fireproof Rated voltage: 230VAC Current: 1-63A Overvoltage protection value range: 230V-300V Undervoltage protection value range : 140V-210V Rated frequency: 50/60Hz U i