... out 2)Auto dial max 6 numbers 3)Wireless Security Zone Wireless Security ProductAlarm System,8-zone LED display,auto-dial alarm(LS ... can have 28 detectors and remote controllers. 6. Any accessory can be compatible to the system. 7. Inner Ni-hy battery ensures ... detector,1 Wired siren,1 Wireless door detector,1 Built-in standby battery,2 Remote controllers,1 AC/DC Adapter,1 User ...