Optics Salinity 0-10% Refractometer with ATC， Dual Scale (1.0 to 1.070 Density / 0-100ppt) for Salt Sea Water Aquarium Tank， Marine Industry， with LED light and pipettes</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51YwD2eQIrL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51XfFPg66fL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51PcannJSzL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51T1PQY29OL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41L20-4-rWL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51vZ4pgVlUL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/5144fazLe2L.jpg' noproxy></br>