1. Both switch for Live wire and Neutral wire 2. 3mm tempered glass with LED digital screen 3. Support Alexa/Google Home for voice control. 4. Built-in 20A magnetic holding relay for high-power load 5. With monitoring funtion to record the daily electricity consumption 6. Support timer/countdown settting for schedule 7. Local countdown from 10-90 minutes,no network required 8. Remote control from anywhere on Smart Life App 9. Realtime feedback status for the boiler switch 10.Easily share devices with your family to enjoy smart life together Wiring Live and Neutral Input Voltage AC 100V-240V 50/60Hz Max. Load 4400W Relay Fanhar 20A magnetic holding relay Wireless Frequency WiFi 2.4GHz + V5.2 WiFi Standard IEEE 802.11 b/g Static Power Loss Less than 0.5W Materials Tempered Glass+PC Working Life 100 000 Times System Supported I0S/Android ( Smart Life/Tuya Smart) WARM REMINDER 't lid on the glass panel when the switch is in electrical.The glass panel lid on when it is in electrical. then the switch will not work.please Restart the main electric switch in your home. it will work Colour:black Material:Glass+PC Package Contents: 1 x Smart Boiler Switch 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.