12 and 3 RPM Gears adjustment, single direction rotating, suitable for jewelry display. 2Power supply mode, USB AC power supply, powered by 1pc D battery (not included). 3Smoothly design of turntable makes the rotation more comfortable and stable. 4Silent design make the display quieter, with the quality motor design, more reliable in use. 5One direction rotation, suitable for jewelry makeup set and other items display.