Introducing the GRI 150MFTW 1/2" Snap Fit Recessed Switch Set, a reliable solution for your security needs. This switch is expertly designed for hollow core doors and windows, featuring a 1/2" contact that ensures a secure fit. With a standard gap of up to one inch, it accommodates various installations, while the hole size allows for additional wiring options. The switch installs effortlessly in wood, vinyl, and aluminum, thanks to its press or snap fit design. Equipped with 12", 22 AWG leads, it can be customized with longer leads or jacketed cables upon request. Plus, its hermetically sealed construction and plated contacts prevent sticking or freezing, ensuring durability. Upgrade your security system today with the GRI 150MFTW switch set and enjoy peace of mind!