The LL300N fully automatic, self-leveling laser level from Spectra Precision/Trimble is designed to handle a wide range of general construction, concrete and site preparation applications, including elevation control, leveling forms and footers, concrete pours, excavations and basic slopes. It has a glass lighthouse and offers an IP66 environmental protection rating, which allows operation in adverse environmental conditions, even heavy rain. With a metal sunshade and composite material housing, the laser is constructed to withstand drops of up to 3 feet onto concrete and tripod tip-overs up to 5 feet. It has one-button operation for basic leveling. The optional RC601 remote control enables single-axis slope mode and manual slope matching capabilities. A choice of receivers and kits including tripods and various scale grade rods in a system case are available. 800/527-3771; www.spectralasers.com