Specification: New BRand and high quality Connect Voltage: AC 220V Voltage: DC 12V Voltage: 55W Speed: 25000 RPM Type: Manual Hold A durable, cost-effective tool that makes it easy to sharpen your hand. Robust and reliable. Runs on standard 12-volt auto battery type. Equipped with a 12V plug with an included battery adapterFour grindstone sizes are included 4mm (5/32"), 4.5mm, 4.8mm (3/16") and 5.5mm (7/32") (i.e. One of each)Spindle lock to make it easier to change the grindstone. Cord5 Meter PowerColor: Blue (Also Can Be Other Color, Usually Blue Default)Package Included:1 x Sharpening Chainsaw ChainChainNotice:Please allow slight deviation due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Payment1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.