... powered flashing lights flash light 1. high effiency 2.waterproof 3.cree chips 4.CE&RoHS Model No.HY-WF ... , non-slip…………………………………………………………………………………………Switch: Tailcap Clickie On/OffIP grade: Strengthen waterproof design, can prevent life water, rain water, there is ... .(levee guard,raid,on-site inspection,security,marine emergency,night ain,etc.)3.Outdoor activities.(climbing,camping,survival,hiking, ...