Dewalt DW073KD 18V Heavy-Duty Cordless Rotary Laser Kit with Digital Laser Detector and Clamp. Features: Manual leveling system is accurate to ±1/4" @ 100'. Multi-voltage adapter accepts XR, XR+ and compact DEWALT batteries 9.6V - 18V. Dual side-by-side laser diodes for an extremely bright, visible beam. Protected rotary head & side impact roll cage for increased durability. Built-in wall, floor and tripod mounts allow fast and easy setup for most common applications - eliminates need for separate tool mount accessories. Two-position pivoting head for quick adjustment from level to plumb. Built-in bump sensor alerts user if laser has been bumped after leveling. Variable speed, 0-600 RPM for increased visibility. Digital laser detector extends interior & exterior range to 600'. Power Supply - 9.6V - 18V DEWALT Batteries, Accuracy @ 100 ft. ± 1/4 in, Indoor Visibility Range - 200', Range with Detector - 600', Rotation Speed - 0-600 rpm, Protected Head - Yes, Roll Bar - Yes, Bump Sensor - Yes. Includes: Rotary Laser, 18V XR+ Battery, 1 Hour Charger, Digital Laser Detector and Clamp, Laser Target Card, Laser Enhancement Glasses, Heavy-Duty Kit Box.