... Description1.Not less than 20 m distance control2.Laser distance not less than 200 metersTechnical Details:1 ... pencil, ball-point pen, 4 pearls unity laser pens, TaiBi, green light, laser projector pens, pen, pencil, beautiful and ... pen, advertisement pen, pencil, promotion, ceramic U disk, laser., laser flashlight, LED flashlight, various pen and some electronic products. Company existing installment ...