Safety Technology International - STI-WS100SG2 Burglar Stopper Wire-Free Home Protection System - This quick and easy to install, Wireless Home Alarm is a high quality security system with user-friendly features that allows you to know that your home or office is secure at all times. With the elimination of messy and expensive wires you can be sure the Burglar Stopper will be ready to go. The system is controlled by a Smart Panel or key remote control (included) which gathers information from wireless sensors, that range from up to 490 foot range (line of sight) placed in various locations throughout your home. If the Smart Panel detects a security breach, the system's indicator lights and audible alarms of 120 db + siren are triggered. It has eight pre-set security zones and four operation modes - Alarm/Alert/Home/Standby. It has an adjustable entry/exit delay between 10-60 seconds and adjustable alarm duration between 1 to 6 minutes (Arm mode only). Has a full back-up power supply plus back-up battery & low battery notification, so you are never caught off guard. A one year limited warranty is also included. Safety Technology International, Inc. "We protect the things that protect you"