2.4GHz BABY MONITOR PRODUCT NO.SWL0209C >>>PARAMETERS *RECEIVER WIRELESS RECEIVER-(2.5" INCHES LCD MONITOR); +C-201 *Product Size LxWxH: 72x 105x24mm *Receiving Frequency:ISM 2,400 - 2,483 MHz *CH1=2,414G; CH2=2,432G; CH3=2,450G; CH4=2,468G *Power Supply: AC-DC ( DC + 5V 250mA-550mA ) *Music format: MP3, MP4 / PC interface mode : USB 2.0 *Capacity of memory: Support the SD card (128 / 256 MB / 512 MB /1 GB) *WL0209C Built -in Lithium Battery ,power adapter *2.5 hours for normal play, and 2 hour s for playing monitoring image *WL0320 Outdoor Range: 500M(Built-in Lithium Battery ,4 hours for normal >>>PACKING *Inner Box: 5 sets *Outer Ctn: 20 sets *G.W.: 21.1 kgs *N.W.: 19.8 kgs *Meas: 51.5 x 38 x 36 cms *Ctn Cu.M: (0.053 cbm)