With The Smart Universal IR Remote Control,you may use phone to control home appliances,such as STB(Set-Top-Box)TVBox TV Air Conditioner,Fan DVD,etc. Compatible with most of brands,for details,please refer to the supported brand list in App.Besidesit has learning functon,allows you to copy the key function of original remote control to App. Features: 1. Widely use:Massive updated IR Code Database Support 4000+ brands. 2. App Remote Control:Remote Control home appliances by tuya App anywhere anytime. 3. Easy to install:Plug the cable line into the device,select the app's auto find,install within a few minutes. 4. Voice Control:By connecting Intelligent speaker such as Amazon Alexa,Google Home,you can control your home appliances by voice. 5. Scenario and Automation:By creating an "Scenario",you may control multiple devices with one tap; By adding an"Automation"and inter working with other smart home devices. 6. Timer and Automatic Trigger:Set time switches for home appliances,such as turning on/off the air conditioner at regular intervals. The APP have 7 day Scheduling programming. 7. DIY:Customizing and Copy function in the"SmartLife" App,if home appliances brand is not in the list or not supported. 8. Third-Party Control:Compatible with Alexa,Google Assistant,Siri(iOS12.0 or later),etc. Specifications: 1. Power input:DC5V/1A 2. Standby power consumption:<0.5W 3. Workingtemperature:0~50C(32~122°F) 4. Working humidity:<85%RH 5. Infrared frequency:38KHz 6. Infrared distance:?10m (affected by the environment) 7. Connection method:2.4GHz802.11b/g/n 8. Product size:63*63*23mm Package Included: 1*Universal Remote Control 1*USB cable(excluding adapter and battery) 1*Instruction Note: Supports all infrared remotes But 2.4G remotes RF remotes,and Bluetooth remotes are not supported. Infrared rays cannot penetrate the wall so it cannot control household appliances in other rooms.