... Monitor- AVI format MPEG-4 wireless AV recorder, with real-time clock display; - MP3, MP4 player, ... high-speed USB interface supportable; - Build-in with high-capacity polymer lithium battery, 5 h continuous ... CH3=2450MHz ; CH4=2468MHzRecord FormatAVI/ASF/MOVStorage1.Inbuilt with 128MB Flash 2.Supportto 16G MMC/SD card 3. ... 0 interface, USB OTG 2.0 2. Inbuilt with speaker 1.5W 3. AV input 4. AV output ...