Compact, lightweight (approx. 130g) body, Measurement range: 5-730m/6-800yd. First Target Priority algorithm for displaying the distance to the closest subject when measuring overlapping subjects, Single or continuous measurement (up to 8 seconds). If a single measurement fails, it automatically extends the measurement until succeeding for up to 4 seconds. Keeping the power button depressed enables continuous measurement for up to approx. 8 seconds. High-quality 6x monocular with multilayer coating for bright, clear images, Long eye relief design affords eyeglass wearers easy viewing, Dioptre adjustment function, Rainproof – JIS/IEC protection class 4 (IPX4) equivalent, Wide temperature tolerance: -10degreeC to +50degreeC/14degreeF to 122degreeF.