Quick Tap to the Cap! – Place your hand on the Cap and use a quick short tap for a coarse consistency, like it finer? Add another quick short tap, the more you tap it the finer the consistency. Durable Drone Motor – Tapping the cap activates a drone motor housed inside the unit. Beaded Chain Technology – A single beaded chain is connected to a touch-activated drone motor that spins, shaving the herb from the thick stems. It’s Rechargeable – Powered by a lithium battery an indicator light lets you know when it’s fully charged. LED Lights – The chamber lights up during grinding so you can experience the process up close and personal. Easy To Clean – Simply use a moist towelette to clean the herb chamber. Dimensions – 3×3×4.75 in Includes – USB Charging Cord and Manual