sign retroreflectometer with 4 angle

{"cid":"91200138","title":"Red Traffic Sign Retroreflectometer 3500mAh Observation angle 0.2deg","imgUrl":"https:\/\/img.chinax.com\/nimg\/ba\/db\/d080e6c5086ad779f5b49972e7ea-200x200-1.jpg","attrs":{"Price":"3000-3500","Brand Name":"UNS","Model Number":"UNS-JT","Minimum Order Quantity":"1","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"1000","Packaging Details":"inner box and master carton , 1pc per carton","Color":"Red","Measurement range":"0---1999.9","Observation angle":"0.2\u00b0","Angle of incidence":"-4\u00b0","Testing spot diameter":"32mm","Built-in battery capacity":"3500mAh","Charger":"DC 8.4V","Instrument size":"220mm \u00d7 250mm \u00d7 80mm (L\u00d7H\u00d7W)"}}

{"cid":"91223501","title":"Sign Angle Reflective Measuring Instrument Single Angle Reflective Mobile Retroreflectometer Movable Retroreflection Machine","imgUrl":"https:\/\/img.chinax.com\/nimg\/68\/e5\/16e30d4d3347bb75a3a10e7b8f9e-200x200-1.jpg","attrs":{"Brand Name":"LONROY","Minimum Order Quantity":"1","Place of Origin":"Guangdong, China","Voltage":"220 V","Protection Class":"Ip56","Color Temperature":"2856\u00b150K","Data Storage":"8G","Net Weight":"1.9kg","Overall Volume":"220mm \u00d7 246mm \u00d7 82mm","Retroreflective Coefficient":"0-2000mcd\/(m\u00b2*lx)","Traffic Sign Angle":"Incidence Angle: -4\u00b0; Viewing Angle: 0.2\u00b0","High Visibility Angle":"Incidence Angle: 5\u00b0; Viewing Angle: 0.33\u00b0","Spot Diameter":"\u03a630mm","Working Time":">12 Hours","Incidence Angle":"-4\u00b0 (Traffic Sign), 5\u00b0 (High Visibility)","Observation Angle":"0.2\u00b0 (Traffic Sign), 0.33\u00b0 (High Visibility)","Light Source":"Standard A","Test Data Capacity":"100,000"}}

{"cid":"91213072","title":"Multi Angle Portable Retroreflectometer Asphalt Testing Equipment Scratch Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/ad\/abf6e72834c9c6c4a1bf462c4f39-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Btutest","Model Number":"BT-MAR-932","Minimum Order Quantity":"1 set","Delivery Time":"5-8 work days","Certification":"SGS, INTERTEK","Place of Origin":"Made in China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"3000 sets per month","Packaging Details":"Asphalt Testing Equipment Standard export wooden box","Name":"Muti-Angle Portable Retroreflectometer","Application":"Asphalt Testing Equipment","Set observation angle":"0.2 \u00b0, 0.5 \u00b0, 1 \u00b0","Measured spot diameter":"35mm","Repeatability measurement error":"\u2264 3%"}}