YDLIDAR

Distance measuring apparatus; Electric navigational instruments; Lasers, not for medical purposes; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Precision balances; Precision theodolites; Printed circuit boards; Radar apparatus; Range finders for cameras; Scanners; Surveying chains; Surveying compass needles; Surveying instruments; Telemeters