The Bliss Permanent Make Up Kit: includes a Allure touch less power supply, pure pen, pen holder, & 10 needle cartridges. Allure Power Supply info Power Input: 100-240V Power Supply Display: 6" inch x 3.5" inch Power Supply Weight: 1lbs Power Supply Size: 5.25" x 7.75" x 1.75" with the screen sitting at a 10 degree angle for 20 degree inch long and 1" inch diameter. Our Blue pen has a 1" inch octagon handle grip. Touch-Less & Control: The Allure power supply can be used by touching the screen like your tablet or smart phone. This power supply has a Touch Free option where you can use hand gesture to adjust voltage, presets, & machines selection. Pure Pen Info Type: Liner & Shader Needle Type: Can only be used with Bliss/Nuto magnetic needles cartridges (needles sold separately) . Motor: Performance Japanese motor (7000 max RPM) Power Input: 100-240V Pen Weight: 3.2oz Pen Grip: 1" inch and tapers to 0.75" inch Pen Size: 5" inch long and 1" inch diameter. Our Blue pen has a 1" inch octagon handle grip. Included: every Pen includes a machine cord Product Description: The PURE Bliss Pen uses a patent pending magnetic cartridge system. Our cartridge system allow you to easily switch between needles within seconds. You no longer have to remove your needle and tips which is a hassle and waste time.