IR LIGHT BARRIER, KIT

CAT# MK-120
$10.75 each
Quantity:  
 
Announce visitors, warn against burglars, set boundaries, for science projects, with audible (85dB) and visible (LED) alert. Range: 3.3ft to 13ft. Power supply: transmitter: 9V DC / 50mA max. Receiver: 9V DC / 20mA max. 9V battery holder and adapter jack included. Transmitter: 2.2" x 1.6". Receiver: 3.9" x 2.0"

Note: Kits cannot be returned or exchanged once assembly has begun.
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