The Seco-Larm Enforcer Photoelectric Proximity Sensor detects the presence of an object within 2-6 inches (selectable). It can trigger a signal either when an object is removed from its sight for anti-theft protection, or when an object moves into sight (such as a hand) for no-touch access control applications. FEATURES: Filters out IR interference from other sources. Compact size allows installation in small spaces. Red/green LED indicates activation status. Weatherproof IP65 panel for outdoor use. Form C relay output (1A@30VDC). Adjustable output time (1-20 s) or toggle mode. 12-24 VDC operation. CONTENTS: IR Proximity Sensor, Wiring Harness, Hex Nut, O-Ring, Manual.