Color Black + Translucent Black Brand LIT Model W809 Material ABS Quantity 1 Piece Other Features - Working voltage: 5V(USB); Working temperature: -20~70 degree Celsius; IR remote control distance is 10M; Frequency band: 2.4G; - APP download: uses the smartphone QuickMark QR Code Reader to download the APP or uses IE browser to link http://www.szhli.com/wifi remote controller. apk and download the APP; - Smart remote controller: enters the remote controller home page; Add new devices; Set the devices on the control board; Custom panel can set according to one's own hobby. Packing List 1 x TV receiver 1 x 100~240V Power adapter (EU-Plug) 1 x USB cable (75cm) 1 x Chinese user manual