3500mah 1 7kg portable retroreflectometer

{"cid":"91200138","title":"Super Long Standby 3500mAh 1.7kg Retroreflectometer LCD Touch Screen","imgUrl":"https:\/\/img.ismap.com\/nimg\/93\/53\/6bd4d2dd3d05951cae039a5d5412-200x200-1.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","Ambient temperature":"-5\u2103~+50\u2103","Ambient humidity":"\uff1c98%, no frost","Charger":"DC 8.4V","Built-in battery capacity":"3500mAh","Continuous working time of battery":"\uff1e8h","Observation angle":"0.2\u00b0","Angle of incidence":"-4\u00b0","Error of repeatability measurement":"\u22642%","Data storage space":"8GB"}}