Huepar 901CG Laser Level360 DEGREE HORIZONTAL LINE With one ultra bright 360 horizontal and one 130 vertical green beams provides all around leveling coverage even in big job site. The bright 360 horizontal line allows the user to project a laser reference line around the room with accuracy to quickly establish level, enabling users to work in different parts of a room simultaneously. GREEN LASER UNIT This self leveling cross line laser level adopt the latest LD blue green