Counter to suit NIR100SA Retro-Reflective Photoelectric Sensor Entry Alert System

• Automatically tracks how often the E-931CS22RRC is triggered.
• Push buttons to manually add to or subtract from counter, or to reset to zero.
• Plugs into speaker - no wiring needed.
• Other applications: offices, schools, warehouse, vehicle detection, etc

Includes the following:

• Digital Counter
• Mounting Hardware
• Connection cord with plugs