Meross homekit smart wi-fi garage door opener up to 3 garage doors

​The external antenna can better receive Wi-Fi signals and can support up to 3 garage doors at the same time. Compatible with over 200 brands and 1600 different models. Supported by the latest garage opener models as well as the old garage openers produced in the 1990s. Comes with a high sensitivity sensor that monitors the status of the garage door more accurately. Installation is much easier than you may think. You can make your garage door smart in just a few simple steps. ​Check the compatible list at -- Input : 5V/1.0A DC or higher Button : 1 x Reset button LED : 1 x Status LED Dimensions (W x D x H) : 3.7 x 3.1 x 0.9 in. or 9.3 x 7.8 x 2.2 cm Power Cord : 1.5 meters long Sensor Wire : 5 meters long Wireless Standards : IEEE 802.11 b/g/n, 2.4GHz, 1T1R Wireless Security : Support 64/128 bit WEP, WPA-PSK/WPA2-PSK / Does not support Enterprise Wi-Fi. Certifications : US/CA: FCC, IC, ETL / EU: CE, RoHS, WEEE Package Contents : 1 x Smart garage door opener / 1 x USB power adapter / 2 x Door sensor cables / 1 x Cable tie / 1 x Test wire / 1 x Double-sided adhesive tapes / 1 x User manual / 4 x Screws The additional sensor needs to be purchased separately for your third garage door. System Requirements : Smartphone running iOS 10* or later, Android 6.0 or later / Existing Wi-Fi network / *HomeKit version requires iOS 13 or later. Environment : Operating Temperature: 0°C~40°C (32°F~104°F) / Storage Temperature: -40°C~70°C (-40°F~158°F) / Operating Humidity: 10%~90%­ non-condensing / Storage Humidity: 5%~90%­ non-condensing --