"The Rotary Laser Level features self-leveling in the horizontal plane and manual-leveling in the vertical plane with 90 split beam. Illuminated vertical vial. Visual and audible alarms when beyond leveling range. Indicator Type Visual, audible, Working Temperature 14F-113F, Battery Included Yes 4, Beam Type 90 split beam, IP Protection Class 54, Laser Output Locking mechanism protects inner pendulum during transit"
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