Compact, Lightweight & Easy-to-Install Design: Featuring a small and lightweight structure, this mini motion sensor fits into tight spaces like cabinets, closets, and under-counter lighting areas. The 25mm (0.98-inch) mounting hole diameter ensures a secure fit, making installation seamless. It includes four pre-wired connections—Live (L), Neutral (N), and two output wires—allowing quick, hassle-free installation for both DIY users and professional electricians.