With the M1 you get the most advanced wireless tattoo machine available. Ø-Grip: 33mm Length: 128mm Weight: 181g (incl. battery) The M1 comes in a practical travel case, equipped with 2 batteries and matching charger, 3 drive heads, tools, instruction manual and a few spare O-rings. Features Interchangeable drive heads: 3.0mm, 3.7mm and 4.5mm included - 2.5mm, 4.1mm and 5.0mm available separately Intuitive operating and display unit: easy to use, the OLED display shows all information at a glance Digital motor control system: change the character of the machine at any time via software settings Hygienic concept: the anodised aluminium housing can be completely dismantled for cleaning Lithium-ion battery: low cost, standard battery - economical and easy to replace Faulhaber motor: all metal, brushless motor - powerful, precise, reliable Perfectly balanced and ergonomic Compatible with most standard needle cartridges German made quality NOTE: This kit includes the charging dock and USB cable. You will need a USB charger/adaptor suitable for your country with a voltage of 5V and a current of at least 2A.