ZigBee 20A Water Heater Switch Black High Power Time Voice Control EU Plug 1. Material: ABS 2. Rated current: 20A 3. Key life: 100000 times 4. Input voltage: AC 100-240V 5. Input frequency: 5060Hz 6. Rated power: 4000W 7. Support system: AlexaGoogle Home 8. Working temperature: -20 to 50 degrees Celsius 9. Control method: APP control voice control 10. Wireless protocol: ZigBee 2.4GHz IEEE 802.15.4 11. Size: 86x86x35mm 12. Weight: 218g Features: 1. Timing function, set the water heater timing switch power supply 2. Support Google Home, Alexa, Tuya APP, Smart Life APP 3. Remote control, you can also control the water heater through the app while working 4. Share the device with family members, they can control the device directly on the phone 5. ABS fireproof material, glass panel moistureproof 6. ZigBee needs to be used with a gateway, and the WiFi version does not need a gateway