Graffiti WF Intelligent Infrared Controller IR RF Intelligent Copy Air Conditioning Controller Timer Universal Remote Control Remote control of TV, air conditioner, fan, DND amplifier or any other device that uses infrared signals, with learning function Easy to install Power supply: USB port power supply, DV5V 1A Operating temperature: 0 ℃~50 ℃ (32 °F~122 °F) Working humidity: 20%~85% Storage temperature: 0 °C~70 °C (32 °F~158 °F) Storage humidity: 0%~90% WiFi distance: 4-5m Due to different batches, there may be differences in product printed text, which will not affect use Color: Black Material: ABS Package Contents: 1 x Universal controller 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm