16?Laser Level Meter + Turntable+ Tripod Features: Spot + Line (straight line or cross line) Wavelength：630?660nm Output Power：Class I P<0.39mW Class II P<1mW Class IIIA P<5mW Color: Yellow or Silver ■ Long-distance horizontal measurement ■ Angle adjustment ■ Straight line ■ Level surface reference ■ Vertical surface reference ■ Powerful magnet for rotation of 360 degrees ■ High precision unbreakable bubble Diode 5 times higher than common Diodes ■ High precision and rotation of 360 degrees. ■ Laser light generation level and vertical surface as high as 30m/100ft ■ High precise density rotational sole plate can be stably seated at any place and ensure quick adjustment. Sole plate can be connected to tripod of 5/8-inch screw threads. Accurate height measurement, ceiling positioning and switch installation. Creation of a vertical reference surface, e.g. differentiated positioning. Horizontal measurement of floor, steps and bevel. Indication of bores and rock anchor holes for serial devices.