30A/6600W Highest Output PowerThis ZigBee switch has the highest output power to make your high-powered devices smart. Such as high-power motor equipment, immersion water heaters, air conditioners, refrigerators, etc. Voice ControlCompatible with Amazon Alexa, Google Assistant, SmartThings, and Alice. Just speak out your command, the smart device can do on/off as you say. APP REMOTE CONTROL: You can control the household appliances on/off via Smart Life app or "Tuya". There is no limit to the distance and time. The smart life app can download in App Store and Google Play. Tuya Zigbee Hub Required. TIMER AND COUNTDOWN FUNCTION: Support to set max up to 100 group timer setting. Set the specific turn on and turn off time for your home appliances. Dont need to worry harm your home appliances by setting time automatic control switch. Quality AssuranceThe receiver adopts 40A relay, which can load high-power electrical appliances to ensure long-term stability control. High-quality relay that can be used over 100,000 times.Let this product can be more long-lasting and stable to use.The high-power terminal can withstand a current of 30A, so that this product can have a good effect even when the current is unstable. The receiver is suitable for 90V~250V voltage, it is more flexible to use. Packing Listing 30A ZigBee Smart Switch*1 User Guide*1 Main Specificaton: Product type: 30A ZigBee Switch Voltage:90-250V AC Current:30A Wireless Protocol:ZigBee Operation temp.:-10C - +40C Dims (WxDxH):88*60*30 mm