Specifications: Product model: Power input: DC 5V/1A Standby power consumption: <0.5W Working temperature: 0~50 (32~122 Working humidity: <85% RH Infrared frequency: 38K Infrared distance: <8m (affected by the environment) Connection method: 2.4GHz 802.11b/g/n Product size: 63*63*23 mm Description: With this Universal IR Remote Control, you may use your smart phone to control home appliances, such as STB(Set-Top-Box), TV Box, TV, Air Conditioner, Fan, DVD, etc. Compatible with most of brands, for details, please refer to the supported brand list in App. Besides, it has LEARNING FUNCTON, allows you to copy the key function of original remote control to App. Note: Not compatible with the home appliances which use RF or BLUETOOTH remote control. 1.Massive IR Code Database Support 4000 brands, 50000 IR Code on cloud, supported devices library is constantly being updated by the cloud. 2. App Remote Control Remote Control your home appliances by using Tuya Smart App in your smart phone anywhere anytime. For example: Switch on home A/C in advance, enjoying the comfortable temperature once you get home. 3. Easy to install and add to app Once you plug the cable line into the device, the device starts to start, and then select the app's "auto scan" function to find device. The whole process takes only a few minutes. 4. Voice Control By connecting Intelligent speaker, such as Amazon Alexa, Google Home, you are able to control your home appliances by voice. For example: Alexa, turn on TV; OK Google, set air conditioning temperature to 25 degrees. 5. Scenario and Automation in App