The Spectra Precision® Laser LR20 laser receiver is a rugged, electronic receiver that detects laser light generated by rotating lasers. It works with all common rotating lasers and will detect both visible and invisible beams. The LR20 laser receiver is designed for use as a standalone display receiver on compact machines such as mini excavators, backhoes and scrapers. Power to the LR20 receiver comes from NiMH rechargeable batteries. The LR20 receiver is designed to be moved from machine to machine with features and setup options for multiple applications and specifications. The 8-in. laser reception height ensures maximum laser control across the site.