ZigBee 3.0 Protocol: For stable ZigBee smart switch operation, please use it with a Tuya ZigBee hub/ gateway. And please ensure that the gateway's firmware version meets the version specified on the product description Smart ZigBee Switch: This product is a intelligent ZigBee switch with over-current protection, high power protection and high CPU temperature protection, but no short circuit protection. It is recommended to use it with a circuit breaker. Complies with IEC 60947 standard; Poles Description:1P+N, N pole cannot be cut off Rated Current: 1 to 63A, adjustable in the app; Rated Operating Voltage: AC 90-240V, 50/ 60Hz; Over-voltage range:220~265V; Under-voltage range: 76~240V (110V not applicable); Applicable Current Scenarios: AC1, applied to circuits controlling heaters, incandescent lamps, ovens, and other purely resistive loads; Max Wiring Capacity: Power side: 10 mm²; Load side: 10 mm²; Type: Latching relay, capable of carrying high current Universal Home DIY Mode: With the SY2 smart switch, it can convert small household appliances from traditional to smart within 10 minutes. With this compact ZigBee switch, you can turn devices like table lamps and fans into connected objects Remote Control via APP: You can control household appliances via the "Smart Life" or "Tuya" APP. There are no restrictions regarding distance and time. The "Smart Life" APP is available for download from the "App Store" and "Google Play" Power Monitoring (AC Electricity Positive Import): Analyze the real-time power consumption, load current, load voltage, and load power of connected devices, and record historical power consumption (by hour, day, month, and year) Voice Control: The connected ZigBee switch is compatible with voice control from Amazon Alexa and Google Assistant. You can turn devices on or off via voice commands to the SY2. With the SY2 switch, you can free your hands Multi-timing: The intelligent switch offers schedule/countdown/circulate/random timing. The connected universal switch helps you avoid forgetting to turn off appliances. Adjust the working time of appliances as needed to avoid unnecessary energy consumption and achieve energy savings Easy Installation and Wide Application: You can connect the smart switch to your devices within 10 minutes. Simply press and insert the cables for wiring. Screws can be easily tightened and loosened with a screwdriver Premium Materials: The smart switch is made of high-quality materials. Copper offers good conductivity, while flame-retardant PA66 material is heat-resistant, effectively enhancing safety during use Smart ZigBee Switch: This product is a intelligent ZigBee switch with over-current protection, high power protection and high CPU temperature protection, but no short circuit protection. It is recommended to use it with a circuit breaker. Complies with IEC 60947 standard