DeWalt DW0822-XJ

Laser Type: Red Laser
Range: Up to 20 meters (depending on light conditions)
Accuracy: ? 1.5mm at 10m
Number of Beams: 2
Self-Leveling Range: ? 4?
Battery Type: AA (batteries included)
Mounting: Standard tripod thread
IP Rating: IP54 (dust and water-resistant)
Additional Features: Built-in magnetic bracket, multi-functionality for various leveling tasks