1,gsm/pstn alarm system manufacturer 2,CE certificate 3,accepted ODM/OEM 4,99wireless ... back-light display, voice prompt, ease of use. 2.Support dual-network of both PSTN landline and GSM ... redundancy for extra stability. 3. Allow up to 99 wireless defense zones and 4 wired zones.Each can be ... panel, 1 wireless PIR sensor, 1 wireless door sensor, 2 remote controllers, 1 Wired siren, 1 power supply, CE ...