5V Sensor Module Board For Arduino AVR PIC KY-008 Laser TransmitterDescription:For use by experienced electronics technicians or StudentsDon't look directly into the laser pointerAlways wear safety glasses when working with these devices100% new and high qualityModel: KY-008Operating voltage: 5VSource wavelength: 650 nmSize:15x24mm (1inch=25.4mm)Weight: 15g (1LB=453.59g) Color:As picture showsQuantity: 5Pcs Note:Light shooting and different displays may causethe color of the item in the picture a little different from the real thing.The measurement allowed error is+/-1-3cm.We highly appreciate all custome rsopinions to improvethe selling, also if anything you unsatisfied, please contact us for probable best solution. Thank you!Package Included: 5Pcs 5V Sensor Module Board For Arduino AVR PIC KY-008 Laser Transmitter(If there are any problems with the product, please send us pictures.Tell us more details about this problem)