Wireless Home Security System detecets motion or a door or window opening, activates an alarm and cals your phone.. Remote control with Panic Button feature included. Wireless transmission up to 250 feet. Motion detector range up to 8 yards. Includes: Control unit with AC adaptor ,Motion detector sensor ,. Door/Window sensor with alarm ,Remote control with Panic Button,Instructional DVD and batteries.Skylink SC-100 Security System Deluxe Kitby Skylink|Home ImprovementList Price: $129.77Skylink SC-100 Security System Deluxe Kit: Rolling Code Technology - provides maximum security and reduces false alarm. System good for most small to medium size homes (up to 3000-feet). Additional accessories needed to secure larger homes.. Works in conjunction with up to 30 skylink security accessories (including dial alert). Includes a piercing 110 dB siren. Up to 100-foot range.Lorex LIVE SD7 Wireless Digital Security Systemby Lorex|PhotographyList Price: $499.95Discount Price: $349.82Lorex LIVE SD7 Wireless Digital Security System: Ultra digital wireless technology enables excellent video and audio quality. 7- Inch LCD equipped with built-in wireless receiver and recorder (max 16 GB Secure Digital Card). more... See more text