Received in one box, everything is ok, everything is preinstalled, remains available to any mounted, focus began with the devices, motion detectors and door openings especially because if you screw them you need to open them and remove the same circuit board as the screw holes are behind it unless you put double-sided but may take off in time, and if you have already installed your system every time you open a detector opening, despite the alarm evening off all the sirens screaming and that's normal. After you installed the outdoor siren before it must be open and connect the plug of the internal battery and connect it to the mains transformer. Then you installed the central on a wall near an electrical outlet and phone jack box. It remains to make your adjustments, date day hour minutes, then set the ringing time of 03 minutes outside siren is already well ... then the time of inputs and outputs and input your Nos call on your mobile or fixed. Everything is explained, we must also change your code. And if you ever have a problem, send an e-mail to [email protected] moments after you call by telephone if you leave your details. Everything comes with batteries for each item that is really the best value and it is the major brands, in addition to many elements for this small price. NOTE 19.5 / 20 & thank you to Kevin for valuable information, that 'super service
