The Benchmark Scientific C2248-E StripSpin 12D Digital Mini Centrifuge is uniquely designed for centrifugation of 12 position PCR strips. It features digital speed control up to 5,500 rpm, timer control up to 99 min., and a safety interlock to stop the centrifuge if the lid is opened during operation. The 2248-E centrifuge has a European plug measuring between 100-240V. With a built in rcf conversion, speed can be set/displayed in rpm or rcf. The StripSpin 12D allows for centrifugation of up to 4 x 12-position high efficiency PCR strips (or 48 x 0.2ml tubes) and includes a 2 year warranty.