JLT1132 Features: Cross line laser Indoor and outdoor use Simultaneous beams create cross-line Locking mechanism protects inner pendulum during transportation Self-leveling Visual and audible alarm when beyond leveling range Laser beam can be set to pulse for use with optional detector Manual mode allows unit to tilt to extreme angles Accuracy: +/-0.188''/50' Specifications: Projects 3 vertical lines and 1 horizontal line Dimensions: Interior range: Up to 200' diameter depending upon light conditions Dimensions: 8.75'' H x 10.25'' W x 7.25'' D