*850M/900M/1800M/1900m four brands GSM/GPRS network,auto send mms message when detecting a PIR and motion or send SMS message when receiving an abnormal signal from wireless sensors *internal 1/3*SONY CCD camera makes pictures clearly *work with alarm system in wirless,support monitoring the voice by mobile phone *PIR detective &motion dectective, working steady 60 anglwe of vie ,5m PIR detection distance *connect with a mini siren when someone intrude,it will start taking photos and send mms messages automatically *315M/433M remote controller *resolution:low 320*240 high:640*480 *rechargeable backup Li battery 1300mah *mms photo auto email to maste's email box *mode exchange for PAL/NTSC *review the viedo and browse pictures via monitor or TV * night vision 13IR LED using in dark conditio