Features: 1High Compatibility: Support all infrared devices including air conditioners TVs LEDs fans and DVD players RF roller blinds etc. 2Multi Function: Support DIY learning IR+RF function can replace all standard remote controls remotely control your household appliances. 3Protocol: Support IEEE802.11b/n/g 2.4g Hz and RF433 protocol can learn all radio frequencies and store 1020 remote control codes. 4Wifi And App Remote Control: Mobile APP remote control support for smart life application to control infrared and radio frequency devices. 5Voice Control: Voice commands activate the controller to remotely control most infrared and radio frequency control equipment. Specification: Item Type: RF ControllerMaterial: PCWeight: Approx. 93g / 3.3ozDiameter: Approx. 7.5cm / 3.0inPower Input: 5V DC 1A (Micro USB)Protocol: IEEE802.11b/N/G 2.4g HzInfrared Frequency: 38-56K HzInfrared Angle: 360 DegreesInfrared Distance: Approx. 7m / 23ft Package List: 1 x Controller1 x USB Cable1 x English Manual Note: 1. Please allow 01 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.