Programmable Rotation Time with Digital Display.Motorized addition/ Removal of tablets without opening the drum. Auto/Manual mode of operation. Special low RPM motor means less noise and constant speed even at very low or High Voltage. Auto stop with audio alarm. Measures obsession strength of tablets with programmable time, Rotation speed 25 rpm ±1, auto & manual mode of operation with 2 acrylic drums. Results are displayed on 3 digits LED display and it has a 3 digit presentable control.