Our Red Exterior Rotary Laser Receiver detects the red laser line up to 2000 ft (Diameter) for quick and easy elevations. Its durable rubber over-mold housing allows it to withstand drops up to 2 meters. With its built-in strobe protection, it reduces interference from other light sources on the jobsite which ensures a consistent and accurate readout. The Red Exterior Rotary Laser Receiver also features an easy-to-read backlit display, making it more visible for any application. The MILWAUKEE Red Exterior Rotary Laser Receiver is compatible with the M18 Red Exterior Rotary Laser (3701-21) and is backed by a 2-year tool warranty.