Milwaukee 3642-21 - M12™ Green 360° 3-Plane Laser w/Automatic Alignment & ReceiverThe MILWAUKEE M12 Green 360 3 Plane Laser w Automatic Alignment & Receiver Kit provides Automatic Alignment & 70% Brighter Lines* for a faster, more accurate layout onsite. With the kitted Receiver, you can Automatically Align your Laser up to 125, making the layout of long runs more efficient. In boosted mode, the 3642 21 is 70% Brighter than our current 3632 21 providing better visibility when it's needed. You will get 10+ Hours of Runtime in