Features Designed for outdoor use due to sturdy metal housing with dust and splash protection (IP54) Robust design with built in target collimator and intergrated circular vial Carrying case with compensator for lock transport Target collimator for rough alignment Penta prism makes it easy to read the circular vial Large focusing knob for easy alignment Fast aperture for a sharp image of the target (measuring rod) High precision (1.6 mm/30 m) over long distances Endless angle setting using knobs on both sides with friction-braked rotation Erect image Specification Unit of measure 360 degrees Magnification 26x Levelling accuracy 1.6 mm at 30 m mm/m Working range 100 m Dust and splash protection IP 54 Tripod thread 5/8" Length 215 mm Width 135mm Height 145 mm Weight 1,7 kg Standard Equipment GR500 Levelling Rod BT160 Tripod Lens cover Plumb bob Allen key Adjusting pin Carrying case Warranty Click above logo for details and to register your warranty; please note to qualify for the 3 year warranty you must register your tool within 4 weeks of purchase date KINDLY REMINDER: Delivery to the UK Highlands, Channel Islands, Northern Ireland, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-30), PA(1-49), PA(60-78),PA80, PH, PH(11-40), PH(41-44), PH(49-50), AB, IV, KW, ZE, GY(1-10), JE(1-5), PO(30-41), IM, IR, HS are excluded from our standard delivery charge and may incur extra costs.