The sewing machine adopt straight sewing, no reverse sewing button, easy to use, suitable for beginners. Dual power options powered by 4 AA batteries(Not included in the package) or power adapter, great for travel and household. But please don't use these 2 power supply modes at the same time. Sewing design have bottom line and surface line gives you stable and high quality sewing for your all projects. And it has light Bulb for working lighting, make you easy to work, very useful when sewing on the dark fabric. Low or high speed, the speed can be adjusted so that novice, children, beginner or a master can operate it easily. Besides, you Can choose hand switch or foot pedal but please be sure to read the instructions before using the sewing machine, the wrong operation will cause stuck thread, break thread, seam not online or even don't work. Note: Before you purchase, please attention this Mini Sewing Machine is a basic level machine, it can't sewing the thick certain fabrics(thick jeans),just ordinary thin fabric 2. Power supply and battery, two power supply modes, but the power and the battery cannot be used at the same time, at the same time use will cause the machine doesn't work, or even damage the machine. 3. The Mini Sewing Machine surface have a little machine oil that is no problem just to keep the machine run better. You can clear the machine oil before use it. Feature: Power Adapter: AC 100-240V Power Supply: Power Adapter or Batteries(not included) Batteries: 4 * 1.5V AA Batteries(not included) Sewing machine size: 7.9(H) x 7.6(L) x 5( W) inches 25 pcs bobbin colors: 5 black bobbins, 5 white bobbins,15 random colors bobbins Package Includes: 1 x Mini Sewing Machine (NOT Included Battery) 1 x External Power Supply 25 x sewing thread 1 x Needle threader 1 x Foot Pedal 4 x Bobbins 4 x Needles 1 x Manual