It detects 610 nm - 700 nm pulse-modulated laser beams even from great distances as far as 100 m (328 ft)
Audio Signal
The Slope Meter Percent Grade Slopemeter 2NS measures a slope’s percent of grade
this Johnson laser detector will automatically power off to preserve battery life
Carry the Sola Magnetic Pocket Level w/ Clip anywhere and check vertical and horizontal alignments anywhere immediately
27-KS100HV-4C Rotary Laser Complete Kit w/Tripod & Grade Rod (8ths) 97-2 It detects 610 nm -Keep it simple with the KS 100HV horizontal and vertical electronic self leveling rotary laser for precise leveling applications, Ideal for indoor and outdoor use: leveling, checking elevations, concrete forms, footings, foundations; estimating cut and fill; manual slope; installation of decks, pools, partitions and walls; drop ceilings, floors; excavating, digging footings, septic systems. Simple button operation, easy to use. Enclosed Rotor Housing