Specification:

2.4G 4CH compact wireless portable AV receiver;                           
4 Channels auto switching mode;
4 channels recording;
1/3" CMOS, 380TVL;
30-50m unblocked transmitting range;
Support up to 2G SD/ MMC memory card;
Support up to 40G portable HDD;
Recorded in AVI format-direct WM playback;

Built-in 64MB memory block;
MP3 MP4 player, picture browse supportable;
Wired AV recording and TV out function supportable;
960x240 high definition / 2.5" TFT LCD display screen;
OTG and 2.0 high-speed USB interface supportable;
Support connection with monitors;
Built-in high capacity rechargeable polymer lithium battery, 4 hour continuous play
time;