4 in 1 650nm red laser pointer pen

SHENZHEN G-SUN OPTOELECTRONICS CO., LTD was established in 2006, we are a professional manufacturer concentrate on the researching, developing, manufacturing and marketing of all kinds of laser products. We  have 1,500 square meters of top grade dust free sealing workshops and 3,000 square meters of assembling workshops , our main products are laser modules, laser pointers, laser levels ,laser sight , infrared thermometers , laser distance meters and so on . We sell our products to all over the world and get very good feedback from our customers.