The large color display provides all pertinent information, and allows easy adjustment of all parameters. Suitable use with all standard type repeating pipette tips. Automatic size recognition of BRAND® PD-Tip™ II precision dispenser tips adds to the ease of use, and reduces the chance of errors. Two models are available. The HandyStep® touch features dispensing, auto dispensing, and single volume pipetting modes, with the ability to save up to ten favorites. The auto-dispensing mode features a “learn” function for easy interval programming. The HandyStep® touch S adds multi-aspiration, sequential dispensing and titration modes.