Designed to mount flush in a cabinet or wall, the IRS3’s and IRS4’s (sold separately) small footprint and low profile bezel make it an ideal choice wherever an inconspicuous IR Sensor is needed. The 3.5 mm Quad “mini” plug on the IRS3 makes for a quick connection to an ELAN® IRD4 or IRD2 Distribution Block. Bare leads on the IRS4 provide for easy system connections. Surface-mount, flush-mount or tabletop. CFL-friendly or extreme plasma conditions. ELAN® carries a full line of high-quality IR Sensors for just about every application.