Imex i88R Rotating Laser Red Beam w/LRX10 ReceiverThe red beam version, the i88R has up to approx. 40 hours run time with the manual dual slope mode suitable all professional levelling tasks, especially for trades that predominantly use the laser outdoors. The simplified design elements and robust componentry also mean reduced calibration and service requirements. All backed by Imex warranty, service and innovative approach. Features: Robust construction tough horizontal vertical laser level