DY-CK400A Garage Door Switch Wireless WiFi Remote Controller, Support for Alexa Voice Control & APP Control & Multi-person Sharing

1. Support mobile phone APP control, you can easily open the garage door by touching the screen with your finger.
2. No need to look for remote control while driving, voice control makes your driving safer.
3. When not at home, you can open the garage door remotely for your loved ones.
4. Size: 60x45mm.
5. Power input: DC 5V 2A.
6. WiFi standard: 802.11 b / g / n.
7. Magnetic control distance: 10mm.
8. Working temperature: -10-50 degrees Celsius.
9. Operating humidity: 85% RH.