Voltage Protector Relay delivers reliable protection for your electrical devices with realtime monitoring. Comprehensive protection: guards against overvoltage, undervoltage, and overcurrent to reduce the risk of damage to connected equipment. Automatic power cut off: disconnects power when unsafe conditions are detected to protect devices from surges and faults. Dual LED display: realtime voltage and current readings for quick status checks. Efficient and durable: low power consumption under 2W and a life rating over 100,000 cycles for long service. Designed for ease of use and compatibility: Compact, sturdy enclosure fits standard outlets and common consumer electronics; simple plugin installation. Use scenarios: Home office: protects computer, monitor, and peripherals from voltage spikes. Home theater or studio: guards amplifiers, receivers, and audio/video gear during surges. Small workshop: defends chargers and tools from grid instability.