Note: When the machine is running, do not touch the turntable with your hand to avoid being scratched. The minimum speed is 60 RPM. The vertical blade can be adjusted up and down by adjusting the screw. But the maximum adjustment height is only 0.4inch/1cm. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Instruction for use: 1.First,put the cake blank in the center of the turntable. 2.Adjust the distance between horizontal knife and vertical knife 5-8mm. 3.Turn on the power and adjust the rotation speed of the turntable 60-80RPM. 4.Apply butter evenly side from bottom to top, top from inside to outside.Adjust the pressing force of the horizontal knife when water chestnut appears. 5.Remove the horizontal knife and vertical knife. A variety of colors are available for you to choose from Pink Green White Voltage 110V Voltage 110V Voltage 110V Applicable cake size 4-12 inch Applicable cake size 4-12 inch Applicable cake size 4-12 inch Waterproof LCD Module One button access, easy to operate, good performance. The rotation direction can be switched clockwise or counterclockwise. High Quality Material The spatula is made of 304 stainless steel and the turntable is made of high-quality aluminum alloy. Safe The leakage protection plug can quickly power off in 0.01 seconds, which is more safer. Laser graduated spatula 1mm thick 304 stainless steel spatula, laser graduated and durable. Turntable direction The turntable forward rotation is used for cake cream spreading and reverse rotation for cake cream decorating. What is the best state of whipped cream？ The 7-point state of animal cream is just right , while the 8-point state of vegetable cream appears sharp curved hook .Too thin to form , toohard to have a smooth surface. Can I use any brand of cream? Yes, the temperature of the cream, room temperature and the whipped state of the cream are key factors. Why does the cake move when using the machine to apply cream? The cake encounters resistance from the spatula so it may be out of position. Just pause the rotation and readjust the position of the cake or spatula. Why is the surface of cream rough? Check if there is any problem with the cream you have whipped. If not, check if the cream on the spatula has solidified. If there is, simply wipe it clean with a cloth.