retro reflective meter with 6v dc power

{"cid":"91200138","title":"Compact Retro Reflective Meter with 6V DC Power Supply -4\u00b0 Angle Of Incidence and 0.2\u00b0 Observation Angle","imgUrl":"https:\/\/img.chinax.com\/nimg\/93\/d8\/138ef65cef0f73be2e5980df5827-200x200-1.jpg","attrs":{"Brand Name":"STP","Model Number":"STP-TSR","Minimum Order Quantity":"1pcs","Delivery Time":"7 days","Place of Origin":"CHINA","Gross Weight":"6.0kg","Test Data":"More Than 99,999","Observation Angle":"0.2\u00b0","Data Output":"USB","Ambient Temperature":"-5\u2103~+50\u2103","Communication Interface":"RS232","Power Supply":"6V DC (4 AA Batteries)","Data Storage Space":"8GB"}}