V-MK120 INFRARED LIGHT BARRIER KIT
Price: $8.30
V-MK120
Infrared Light Barrier Kit
Includes transmitter (2.1"" x 1.6"") and receiver (3.9"" x 2""). The kit transmits a light beam between the transmitter and receiver up to 4 meters. When the light beam is interrupted the kit makes an audible noise (85dB). The transmitter and receiver, both require a 9V battery (not included). Comes with battery holders and adapter jack. Kit comes with complete parts and instructions.
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