Product Description NOTE:  Fast shipping ,if your address in US/CA/EU, it only take 12-18 days to reach your hand.  Other country may take 25-35 days depend on your address, thanks for your understanding~ Description: 1. Smart WiFi touch window roller shutter switch, Wifi Bluetooth dual mode, connect to the network faster, connect to the network speed is 3 times faster than WiFi single mode, WIFI Bluetooth dual mode is more stable and faster. 2.APP remote control, through the mobile phone APP anytime and anywhere to control the curtain switch, convenient and fast. 3. It can be controlled by voice. It can be used with Amazon Echo and Google Home, Tmall Genie. Voice can open or close curtains. 4. You can set the timing, open or close the curtains at the specified time, you can better rest. 5. Tempered glass panel, anti-deformation and fading, easy to maintain and clean, prevent scratches. 6. Support sharing function, can be shared with family, common control. 7. The group function can close or open the group's equipment together, which is more convenient. 8. There is a backlight option, you can set the state of the backlight, to ensure that the rest of the light switch will not affect the rest. 9. Offline function reminds that when the device is offline, APP will remind the device to be offline after 30 minutes without wasting electricity. Specifications: 3C rated voltage range: 110V-240V Protection function: overload protection Electrical life: ≥ 10000 times Application: Indoor Working temperature:-10~45 ℃ Shell material: PC flame retardant material Special function: timing function Wiring mode: zero fire wire Product Certification: ce Mechanical life: ≥ 10000 times System Support: Alexa Wifi Type: 2.4Ghz Standard Type: American Standard Wire core material: brass Switch Type: Touch Package Included: 1 * Smart switch