Check the listing for details. VistaLab Technologies ali-Q 2 VS (Variable Speed) Pipet Controller 2100-1005. Condition: New. Listed at 528.50 USD. Aliquoting speed/force:ali-Q 2 VS – Adjustable Variable Speed(with speed setting dial)(7 speeds; 1 is slowest, 7 is fastest) Aliquoting volume range: ali-Q 2 VS – 0.5 – 5.0mL Features of the entire ali-Q 2 Series:Sensitive touch-control aspirate and dispense buttonsAliquot buttonAliquot volume dial2 multifunction LED indicatorsMultiple alert tonesRechargeable lithium ion batteryAccessories included:0.22 μm replaceable nozzle filter (1 spare)USB-C cable with chargerRemovable kickstandWall mountCalibration certificateAdditional product info:Individually serializedOne-year warrantyDimensions: 7.2″ x 7.0″ x 2.2″(18.3 cm x 17.8 cm x 5.6 cm)Weight: 350g SHIPPING NOTE:Orders placed by 12pm (EST) Monday - Friday will ship the same dayOrders placed after 12pm (EST) Monday - Friday will ship the next business dayOrders placed Saturday or Sunday will ship on the following Monday