... battery and solar cell.3.Advanced GPRS MMS and IP alarm mode, users can receive the alarm image and ... MMS alarm unitAMD66S-4044 wired zones , 4 interfaces for CCD camera, beautiful appearance, small size, wireless remote ... alarm, emergency call, 1channel relay output, lithium battery interface. Size: 212mm×162mm×39mm Product photoFactoryWorkshopOffice color gsm wireless intelligent alarm system ...