A New Standard of Versatility and Control - Control one or two independent injections with Stoelting's latest QSI™ Stereotaxic Injector. Automatic infusion or withdrawal of nL-µL volumes. Program injection parameters (volume, rate and syringe specifications) using the easy-to-use touch screen control box. Accommodates Hamilton syringes sized 0.5uL-250uL. Available as a single or dual injector. If purchased as a single injector, add a second injector at any time. QSI™ Features Easy-to-use Touch Screen Control Box, Control Single or Dual Injections, Preprogrammed Syringe Specifications, Out-of-range Warnings. Note: Stereotaxic Unit in picture sold separately and is for reference only.