1. Tuya IR RF RF: wireless intelligent remote control, from home only one remote control device. 2.RF433 RF technology:strong signal, strong penetration, ultra-long distance control. 3.Under the case of interval:you can control the products within 20m diameter in 360 full angle without dead angle. 4.Support: for Alexa, for Home, for Tmall Genie, for and other voice devices,Support cell phone remote control. 5.Support 360 omnidirectional: infrared signal transmission, the same space control without dead angle. 6.Just one IR RF remote control: can turn your smartphone into a universal remote control Support multiple IR and RF appliances. Working power:USB DC5V/1A Working temperature: -10-55 Infrared frequency: 38KHz :10 meters RF frequency: 433.92MHz Wifi frequency: 2.4GHz Colour:Black Material:ABS Package Contents: 1 x Wifi Infrared Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.