Instructions: Easy to use: 1. Upload "Smart Life" from your smartphone APP Store, and then registered a user, if you are already a user of "Smart Life", log in it. 2. Plug YTF into the power supply, press the reset button for more than 5 seconds, until the blue indicator flashes. 3. Ensure the smartphone connect with 2.4 GHz Wi-Fi. Keep the YTF close enough to the devices. 4. Open the "Smart Life" app and add devices, you must choose Smart Remote until YFT successfully connect to your smartphone. Then you can choose which devices to control, including TV, AC, FAN, etc. Connectwith Alexa: 1. Open the Alexa app on your smartphone, add "Smart Life" in Skills. 2. Then, Alexa will prompt you to successfully connect the YTF, you can say "Alexa, turn on the air conditioner". 3. Alexa quickly discovers devices connected to the smart remote through an automated search. After that you can voice control your device through Alexa. DIY learning function: Smart IR can teach your old devices smart with DIY, as long as you have an infrared remote control. 1. Find the infrared remote control for the old devices. 2. Open the "Smart Life" APP, come to your smart remote control page, and enter the DIY function. 3. Put the old devices with your original remote and name it turn on whenthe smartphone will receive an infrared signal, then go and the other options and save. By completing the above steps, you can view your old devices with your smartphone. Small and beautiful: YTF is less than 1.07 inch thick and less than 2.68 centimeters in diameter, very low power consumption, you only need a power bank source at YTF. Note: In consideration of IR functions, when you connect them, keep the smart IR close enough to the devices, and you cannot set obstacles between them. Specifications: Product parameters: APP:Tuya lnc./smart life Product gross weight: 92g Packing size: 7.2*7.2*5cm Product size: 6.8*2.7cm Control distance: 7m Function: It has learning function, compatible with most brands of TV, air conditioner, set-top box and other common household appliances. Package Included: 1*IR remote control 1*USB cable 1* user manual EU Responsible Persons information: Name: PI NETWORK SARL Address:38 rue Dunois 75647 Paris CEDEX 13,75013,FR E-mail:friedlichrichter@outlook.com This merchant is committed to only offering products that comply with the General Product Safety Regulation.