Motion-activate function MP3, MP4 player Support up to 16G memory take photos function 5h continuous play time 2.4GHz 4-channel palm wireless mobile AV receiver/Motion-activate Wireless DVR Baby Monitor- AVI format MPEG-4 wireless AV recorder, with real-time clock display; - MP3, MP4 player, picture browse supportable; - Cabled AV recording and TV function supportable; - 960*240 high-definition 2 ...