... Waterproof security alarm IR Cam DIY Video,Home Security Alarm System Features: -Adopt three bands, GSM 900/1800/1900MHz,security wireless ... input, can arm/ disarm/listen-in/photo-taking the alarm system by remote controllers and SMS. -Can control home appliances remotely ... and the places where have no telephone line. -Aesthetic metal cover with neat design, endurable and stable application.40),VGA(640 ...