Blood Mixer Roller Size: 4 Nos x 230mm LengthMain Input:230 V AC, 50HzRPM: 30 RPM/36 RPMMixing Time: 15 to 20 minutesWeight: 3.0 KgCapacity: Vac / Non-Vac 4 – 6 Nos Variable Micropipettes High quality imported pipette with accurate and reliable pipetting.Variable range with 5-100ul, 100-1000ul.Unique variable range of 5-100ul.Light weight for comfort usage. Timer Digital timer.Display hour and minute.Work with one AAA battery.Shipper box 20 Nos with battery.