High Quality Remotely open the garage door for trusted people when you're not home. Remotely control the garage door when returning home. Control your garage door easily via mobile app. Compatible with Alexa and Google Home. Device Sharing: Share access with family, friends, or visitors. You can revoke permissions at any time. History Record: View garage door opening and closing history in the app to monitor garage security. Specifications: Wireless Standard: IEEE802.11b/g Wireless Frequency: 2.4GHz (does not support 5GHz) Rated Current: 5V 1A Compatibility: Works with Alexa, Google Home Mobile App: Supports Android and iOS devices Color: Black + Gray Material: Aluminum Alloy Package Contents: 1 x WiFi Smart Switch Garage Door Opener Note: Other items not included. Light reflection and screen differences may cause slight color variations between the image and actual product. Measurement tolerance: +/- 1-3 cm.