Wired phone control 1. Remote control via SMART LIFE APP/TUYA APP anytime, anywhere. 2. Timer: countdown, countdown, cycle time 3. Voice control via / Assistant Multi-function meter Two-way measurement Total energy KWh (positive KWH + negative KWH) Total reactive energy KWH (positive reactive KWH + negative reactive KWH) Voltage, current, active power, reactive power, power factor, frequency Protection functions: 1. Undervoltage protection 60V-300V (adjustable) (default: 175V) 2. Overvoltage protection 60V-300V (adjustable) (default: 275V) 3. Overcurrent protection 1A-100A (adjustable) (default: 80A) 4. Undercurrent protection 1A-100A (adjustable) (default: off) 5. Voltage imbalance protection 10- (adjustable) (default off) 6. Current imbalance protection 10- (adjustable) (Default closed) 7. Over temperature protection 10-85 (adjustable) (Default 85) Rated voltage: 60-300V; frequency: 50Hz/60HZ Note: If your voltage is 110VAC, the protector be undervoltage protection when used for the first time. Please change overvoltage (60-300V) and undervoltage (60-300V) according to your needs Colour:White Material:pc Package Contents: 1 * circuit breaker 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.