DSC EV-DW4975 Vanishing Contact Wireless Door / Window

The EV-DW4975 is the industries thinnest supervised door/window contact allowing multitude of applications while hiding the transmitter on a door or window frame. The EV-DW4975 uses a replaceable lithium battery and should last 5 years under normal usage. When hardwiring a detector is impossible, or if time is an issue, do not hesitate to rely on DSC wireless security. Get the same great performance you expect from DSCs proven hardwire detection devices in our comprehensive line of wireless detectors. Built-in reed switch Wafer-thin profile Long-life lithium battery included 5/8” (16 mm) magnet gap Reliable 433 MHz technology Includes double-sided tape