SimpliSafe is a simple, secure and complete do it yourself home alarm system that you install yourself and take with you when you move. Using entirely wireless components, the alarm system can be easily customized and self-installed by a renter or homeowner. The system has a built-in cellular link to its Emergency Dispatch Center, so there is no need for a telephone landline or an Internet connection. SimpliSafe, Inc. is headquartered in Cambridge, Massachusetts.