Dual Display: The product features two displays that show the voltage and current levels, making it easy to monitor the circuit's health. Adjustable: The device can be adjusted to protect against overvoltage, undervoltage, and other issues, ensuring that your circuit is safe and reliable. Protective Device: This product is designed to protect your circuit from damage caused by power fluctuations, ensuring that your equipment stays safe and functional. Relay: The relay feature of this product allows you to control the flow of power to your circuit, making it easy to troubleshoot and fix any issues. Function: Overvoltage protection Undervoltage protection Overcurrent protection Continuous overcurrent counting Wide voltage: overvoltage of 130-300V, undervoltage of 80-210V, always in protection mode when not set properly, fault light on Color:White Material:plastic Package Contents: 1 * Voltage Current Protector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.