Magnet spacer only. Contact device/magnet not included. Designed to align uneven doors, windows and frames with spacers compatible with ADT Blue Alarm Contact devices. Perfect for challenging installations. Ideal for deep frames, uneven surfaces, or areas requiring precise alignment for optimal ADT system performance. Easy installation with 3M adhesive. Pre-cut foam tape designed for secure mounting. No tools required - just peel and stick for quick setup. Durable and reliable. Made from premium materials providing long-lasting performance in both indoor and outdoor applications. Single spacer solution. Cost-effective option for individual installations or testing new locations with 3/4 inch thickness for optimal alignment. Optimize your ADT wireless home security system with this professional-grade magnet spacer. Perfect for aligning ADT contact devices on uneven doors, windows, and frames. Features premium 3M adhesive for tool-free installation. Ideal for DIY security enthusiasts seeking to enhance their existing ADT systems. Just peel and stick for secure mounting. Compatible with ADT Blue systems - not manufactured by ADT. Essential for proper alignment and reliable security performance.