D1D9 Burglar Alarm System Wireless DIY GSM for Home House Security

Features

• SCARE BURGLAR AWAY When someone trigger this alarm system that will be alarm to scare thief away and also will make a phone or sending a message to someone which you save the phone number on the main unit.(No chime)
• BUILT-IN BATTERY This system work well when someone cut wires or power off. You don’t worry other people intrude your house when power off
• REMOTE CONTROL You can control this gsm alarm system Arm/Disarm/Voice Monitoring /Intercom by cellphone anywhere
• EMERGENCY HELP You can press an alarm button on the remote control when some emergency thing happen, this system will go off right now and will make a phone.
• WARM PROMPT: The batteries are gifts. If the batteries are dead,pls buy it by yourself. If you don't know where buy it,pls contact us.