ONiLAB Lab benchtop Centrifuge Machine 8x15mL, 12x10mL/7mL/1.5-5ml, Digital Desktop Lab Centrifuge, Timer 30sec-99min, Speed 300-4500rpm(Max. 2490xg)Easy to Use and Ergonomic Design Easy operation thanks to intuitive menu and easy to read display. Timer rang 30sec 99min or without limit (continuous running). Rotor speed can be set and displayed by RPM or G force. Pressing and holding PULSE key for quick spin function. Parameters can be modified after the set speed is reached. Easy to read processing display and sound alert. Braking time 2 steps adjustable. Automatic lid lock release after running;