SONOFF Mini R2 Smart WiFi DIY Switch Upgraded features 1.MINIR2, as a reinforced MINI two-way DIY smart switch, has been redesigned to lift the safety and performance to the optimal level. 2.The old version MINI has an external antenna with strong electricity, but the MINIR2s antenna is hidden totally into the interior that ensures you peace of mind to use it to control your devices. 3.Additionally, the interface S1 and S2 are colored to gray which is distinguished from other input and output interfaces in order to further remind you not to connect the strong current to both of the interfaces. Specifications: Input: AC 100-240V 50/60Hz 10A Max; Output: AC 100-240V 50/60Hz 10A Max; Wi-Fi: IEEE 802.11 b/g/n 2.4GHZ; Material: PC V0; Considerate Design for Your Safety The S1 and S2 interface is highlighted on the different color to give you a clear tip that they can not connect the strong current for security reasons. Safety, Improved Further The external antenna of MINIR2 is moved to the interior,improving the use performance and safety. Run Devices without Lifting A Finger Connect with Amazon Alexa or Google Assistant to run on /off devices in a completely hands-free way On/Off Time, It's up to You Arrange the start and stop schedule for devices to have them automatically switch on/off, reducing needless power consumption.