sign retroreflectometer with dc 8 4v

{"cid":"91200138","title":"Sign Retroreflectometer With DC 8.4V Charger 3% Error Of Reproducibility Measurement","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/93\/d6\/cbfaad627f10c9f9c81ea2b053e4-200x200-1.jpg","attrs":{"Brand Name":"Retro Reflective Meter","Model Number":"STP-TSR","Minimum Order Quantity":"1","Delivery Time":"5-8 work days","Place of Origin":"CHINA","Certification":"CCC","Packaging Details":"inner box and master carton , 1pc per carto","Payment Terms":"T\/T","Supply Ability":"1000","Charger":"DC 8.4V","Instrument size":"220mm \u00d7 250mm \u00d7 80mm (L\u00d7H\u00d7W)","Light source color temperature":"2856\u00b150K (Standard Illuminant A)","Ambient temperature":"-5\u2103~+50\u2103","Language":"English","Ambient humidity":"\uff1c98%, No Frost","Continuous working time of battery":"\uff1e8h","Angle of incidence":"-4\u00b0"}}