Established in Hong Kong, Alarmvip High Tech Limited covers an area of 1,000 square meters, with over 300 staff members and 12 researchers. We have a famous brand---- ALARMVIP. We are the manufacturer of home GSM alarm system, gsm camera alarm, wireless/wired home alarm system, security systems ,GPS tracking system, car GSM alarm, CCTV camera, all kinds of detectors. They are with the CE, FCC, ROHS and ISO 9001:2000 certifications. For more information, you welcome to visit our website: www.alarmvip.com If you need other help, just contact or email us.OEM and ODM order are welcome!