High Quality Remotely open the garage door for trusted people when there's nobody. Remotely control the garage door when you're coming home soon. Simply control your garage door via app. Works perfectly with Alexa, Home. Device Sharing: You can share access with family, friends, or visitors, and revoke permissions at any time. History Record: Check the garage door opening and closing history in the app for improved security. Specifications: Wireless Standard: IEEE802.11b/g Wireless Type: 2.4GHz only, not compatible with 5GHz networks Rated current: 5V 1A Compatible with: Home Mobile Phone App: Available for Android and iOS Color: Black + Gray Material: Aluminum Alloy Package Contents: 1 x WiFi Smart Switch Garage Door Opener Only the above package content is included; other items are not part of the package. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.