1、Wide application: this product can be use for activating air conditioners, TVs, fans, DVDs, STBs, TV BOXes and so on infrared and the RF applications such as RF light, RF switch, RF roller blinds and so on. 2、Multiple remote control radio frequency, it gives the user a better experience for controlling 433MHz radio frequency devices such as curtain, shades motor and so on. 3、Voice control: it can be controlled by your voice after you set it with Alexa, you can free your hands by remotely control and radio frequency control. 4、Customized DIY copy function: you copy the same function from origi-nal remote if you cannot find the device brand on the APP. 5、When you need to away from home, you can control your appliances in advance and turn your phone into a universal remote in an easier way. Specifications: Material: ABS Power input: Direct Current 5V/1A(usb2.0) Stand by power: ≤0.4W Controlling distance: Horizontal direction ≤8m Opposite direction ≤15m (finally effect by environment) IR control direction: multiple way Working temperature: 0℃~50℃ Operating humidity: ≤85%RH Connection type: 2.4GHz 802.11b/g/n Carrier: 38KHZ APP support: for Android 4.0/ for iOS 8.0 above Wireless frequency: 2.4GHz RF: 433/315MHz Package size: 70 * 70 * 50mm / 2.8 * 2.8 * 2.0in Package weight: 108g / 3.8ounce 1 * IR Remote Control 1 * USB Cable 1 * User Manual