Home Alarm System Wireless Built In Antenna Scare Burglar Away For Diy Gsm House Product 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,No Wifi,Only support 2G T-mobile SIM card) 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. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!