1.multifunction metal infrared pens 2.lightweight and durable 3.Competitive price and quality 4.customer logo welcome 3-IN-1 multifunction metal infrared pens The laser pen is made of brasslightweight and durableThe most affordable and popular pen-styleadvantageAccording to the customer demandCompetitive price and qualityoffer good after-sale serviceAll sorts of colorItem NO BTB202wavelength: ...