SCS DES-700WL Photoelectric Beam Sensor

Wireless Door Entry Alarm & Counting System ( Infrared Beam ) /Solar Panel Included.

. Wireless Retro-Reflective Photoelectric Beam Sensor

. Range: 3.14 to 22 feet (0.5~ 7 meters)

. 4 Digits Counter (DC-500) -- Optional

. Solar Panel Included.

. 3.7V Lithium-Ion rechargeable battery pack (1,230 mAH)

. Switching Power Supply Mode AC/DC Adaptor

. Wireless Photo Beams to Speaker

. Volume of Speaker: Adjustable

. Sounding Time: 3~30 seconds