About us: Our company is based in Shenzhen, China. The brand is D1D9. In 2008, we began designing and making house alarm systems and smart products. D1D9 have a full range in home smart products. In 2013, Passed ISO9001. In 2015, the company is SHENZHEN CHAMBER OF E- BUSINESS, vice president of the association. Today our company have 10 research and develop engineer and 60 other employee. Main machine are 1 YAMAHA SMT machine and 4 injection mold machine in factory. Pls note that this alarm system work with 2G T-mobile SIM card Read more Main Features: Remote control arm, disarm, monitor and intercom by phone. 8 wired defense zones and 100 wireless defense zones. Real-time,delay,24hours,bypass defense zones programming function. Users can make call by using keypad alarm panel, just like a telephone. LCD display, built-in clock, operate easily Can store 6 group of phone numbers; when alarming, system will make alarm call to these numbers automatically. Apply advanced mobile communication technology support SMS and dialing alarm. Can store 2 group of SMS number; when alarming, system will send alarming SMS automatically. Built-in AAA NI-HI rechargeable battery that make alarm when power off. 10-second automatic message recording. Read more PIR Motion Detector The motion detector is designed for use on interior walls. When someone move on front,the alarm system will sound. However,the sensors can be set to Out Arm Active mode as per your need. Read more Remote Control Wireless Key to quickly away-arm,home-arm and disarm your home,and to trigger an emergency alarm. Window/Door sensor The window/door sensor are installed on the door or window. When someone push the door/window over 1 inch(2.54cm),this alarm system will sound. Wired siren Connect to the main unit. Volume:100db. Read more Package including Main unit x1 PIRX5 Remote controllerx4 Door contactx12 Power supply x1 Wired siren x1 Attention:pls check your local have 2G signal before you buy it. Read more 24pcs 2G Alarm kit 19pcs 4G wifi Alarm kit 24pcs Alarm system kit GSM 2G signal 2G/3G/4G signal 2G signal WIFI NO Support NO APP NO Support NO PIR Motion detector 5 pcs 2 pcs 5 pcs Door contact 12 pcs 8 pcs 12 pcs Remote controller 4 pcs 4 pcs 4 pcs Wired siren 1 pc 1 pc 1 pc RFID card No 2 pcs No Antenna for door contact and PIR motion detector Outsite Built-in Built-in Power supply 1 pc 1 pc 1 pc