Imex LRX10 MM Reading Digital DetectorQuality German made MM Receiver for Rotary Lasers Take the guess work out of levelling with the mm reading Imex detectors. Up to 0. 5mm reading in a 90mm window. The Imex Digital Detector range increases your accuracy and efficiency. Features: 90mm detection window Red or green beam pick up 0. 5mm up to 10. 00 reading increments Heavy duty, waterproof and shockproof Made in Germany 3 Year warranty Specifications Detection Window 90mm +60 to 30 Range