Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Retro-Reflective Beam Entry Alert: IR LED photoelectric sensor monitors entrances, doors, hallways, and overhead door openings, triggering when the beam breaks
•Adjustable Alerts: Chime "ding-dong," Off, or Alarm modes via switch, adjustable siren duration 3-30 seconds, volume control up to 90 dB at 1m
•22ft Detection Range: NIR retro-reflective design supports up to 22ft (7m) sensor-to-reflector spacing with alignment red LED indicator
•Simple Plug-In Setup: No hard wiring, components plug into each other, includes 32ft sensor-to-speaker cable and mounting brackets
•Complete Kit + Expandable: Includes sensor, reflector, speaker/chime, 9VDC 200mA adapter with 6ft cable, supports optional add-ons E-931ACC-CQ counter and E-931ACC-SQ extra speaker