Hi how are you,It is nice to write to you. This is dawda from Gambia. I am interested in adding your Microprocessor Photo Colorimeter to my inventory.Could you please send me the quotation from this with the details as below:Voltage,Measuring Voltage Range,Torque,How long will it take to receive shipment by air?Hope you reply to all my questions so I could proceed with buying.Thanks & Regardsdawdamacks-ba Show More