The Skil-Care Door and Window Alarm with Magnetic Strip offers patient facilities a cost-effective yet reliable patient safety alarm system. Sold in a pack of five, this small and unobtrusive alarm device can easily be attached using the Velcro® tabs. The magnetic pull-switch is designed so that windows can be opened slight to provide ventilation without sacrificing institutional security. The The Skil-Care Door and Window Alarm with Magnetic Strip is sold in the color blue and operates on a single 9-volt battery (included).