(MTL-04-A) IR Light Beam Transmitter and receiver

This kit will produce an IR light beam that can be used to monitor a doorway, a pathway, an area etc. for the arrival or presence of a person or object.
When the light beam is interrupted the kit makes an audible noise (85dB)
Uses an IR transmitter emitter to project a beam of infrared light to an IR receiver detector
Ideal for home security
On/Off switch provided
Basic soldering techniques required for circuit board assembly
Suitable for beginners with little or no previous knowledge of electronics
Not recommended for outdoor use
Velleman MK116
Transmitter and receiver both require a 9V PP3 battery (not included) – see Batteries section.