1,gsm/pstn alarm system manufacturer 2,CE certificate 3,accepted ODM/OEM 4,99wireless zones + ... Wireless Home GSM alarm system with Quad-band1.LCD English blue back-light display, voice prompt, ease of use. 2.Support dual-network ... 1527 ,2262Deimension200*147*10mmStandard pack components:1 main panel, 1 wireless PIR sensor, 1 wireless door sensor, 2 remote controllers, 1 Wired siren, 1 power supply,