GSM auto-dial alarm system with: 1. Adopt GSM communicator, no distance limit to alarm. 2. Support GSM/ CDMA mobile phone. 3. Can per-set 5 phone numbers of user/ police/ monitoring center ( no....
Shenzhen Wolf-Guard Security Hi-Tech Co., Ltd. ( Shenzhen Chitongda Electronics Co., Ltd.) was established in 1998 and has since created the famous brand " Wolf-Guard" in the security alarm field....
GPRS & Photo-Taking Auto-Dial Alarm System with: 1. Adopt three bands, GSM 900Mhz, 1800Mhz and 1900Mhz, can alarm remotely without the limit of distance. 2. Support GSM/ CDMA, and English and....