1 angle error lm series rangefinder

{"cid":"91202321","title":"New and Original UNIT LM Series Laser Rangefinders LM1000","imgUrl":"https:\/\/img.chinax.com\/nimg\/45\/48\/0cf9d4b68bcde1d428aac8be782e-200x200-1.jpg","attrs":{"Price":"USD520\/PC","Brand Name":"UNI-T","Model Number":"LM1000","Minimum Order Quantity":"1","Delivery Time":"in stock","Certification":"-","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"1000","Packaging Details":"Original","warrany":"1 year","color":"red","customized support":"OEM, ODM","Protection Class":"IP55"}}

{"cid":"91188394","title":"UNI-T LM1000 Laser Rangefinder with 450 Yards Range Multi-Measurement Capabilities and Compact Design","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/6a\/1ebb343dedecffdf6e6ebd3d5e73-200x200-1.jpg","attrs":{"Brand Name":"UNI-T","Model Number":"LM1000","Minimum Order Quantity":"1PCS","Delivery Time":"5-8 work days","Certification":"CE","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"1000 Piece\/Pieces per Week negotiable","Packaging Details":"each unit has individual box and all boxes are packed in standard packages or customers requests available","Dimension":"114x76x48mm","Weight":"3kg","Objective Aperture":"25mm","Altitude":"450 Yards","Highlight":"LM1000 Laser Range finder, 450 yards Laser Range finder, 450 Yards Digital range finder"}}