Seco-Larm E-931CS22RRCQ Enforcer NIR Retro-Reflective Entry Alert System, Up to 22 ft of Sensing Range, Speaker Volume Adjustment, Adjustable Sounding Time, 9VDC Adapter Included, Pack of 2

Key Features:
- Retro-reflective design
- Perfect for monitoring an entrance or use as an entrance indicator
- Will make "ding-dong" sound or siren sound when the beam is interrupted
- Speaker volume can be adjusted or turned off; When in siren mode, sounding time is adjustable from 3 to 30 sec
- All components plug into each other. No hard wiring required. 32ft Cable from speaker to sensor
- Retro-Reflective Alert System comes with the following: NIR retro-reflective sensor, reflector, Speaker, 9VDC 200mA power adapter. 6ft cable

Specifications:
- Sensing Range: 22' (7m)
- Operating Voltage: Sensor: 9-15 VDC, Chime: 9~15 VDC
- Total Current Draw: 100mA Max
- Standby Current: 30mA Max
- Operating Temperature: -4º~122º F (-20º~50º C)
- Speaker Response Time: ~1 sec. for Chime, 30 sec for Alarm
- Speaker Volume: Adjustable from 0~max
- Alarm Time Range: Adjustable 3~30sec for alarm
- Speaker Output: Chime / Off /Alarm (select by switch)
- Mounting Brackets: All included
- Light Source: IR LED