The multifunctional self-resetting dual display protector integrates over-voltage, under-voltage and over-current protections. When over-voltage, under-voltage or over-current occurs in the line, it cuts off the circuit instantly to avoid damage to electrical equipment. When voltage or current returns to normal, it resumes power supply automatically after the user-set delay time (auto mode) or manually (manual mode). Specifications: Material: Plastics; Type: AC110V 40A/63A/80A, AC220V 40A/63A/80A (optional); Over-voltage protection range: 221V-300V-OFF (default 280V); Over-voltage recovery range: 220V-299V (default 250V); Over-voltage action time: 0.1-10s (default 0.1s, suggest 0.1s); Under-voltage protection range: 219V-150V-OFF (default 160V); Under-voltage recovery range: 151V-220V (default 180V); Under-voltage action time: 0.1-10s (default 0.1s, suggest 0.3s); Over-current protection range: 1A-63A (default 63A)/1A-63A (default 40A); Over-current action time: 0.1-512s (default 5.0s, recommend setting based on usage); Fault recovery delay: 2-512s (default 60s); Power on delay: 2-255s (default 2s); Item size: 85*65*36mm/3.35*2.56*1.42in; Item weight: 177g/6.24ounce; Package size: 90*70*50mm/3.54*2.76*1.97in; Package weight: 200g/7.05ounce. Packing List: 6*Adjustable Voltage Protector. Color: As shown in the picture.