product information: Input: 100 V - 240 V, 30/40 Hz Output: DC 9-18 V, 100-1000 mA Telescopic Speed: 0-400/minute Adjust the Angle: 0 - 85 ° Stretching Distance: 4.5 cm Net Weight: 2kg Package 1x Machine Attention 1.When first use, please do not insert the Accessories too deep, do not try to catch the Accessories. 2.Please disinfect the accessories with alcohol before use, lubricants are recommended. 3.When using the suction cup, please wet it first and It is recommended to press the chassis with some heavy objects when in maximum speed. 4.To ensure the service life, please place the machine in a cool and dry place. Tips for use: 1.Pay attention to hygiene,please wash all accessories before you use it. 2.Lubricant is necessary, It makes the process simple and comfortable. 3.Please select a smooth surface to place your machine.Which will make the suction cup more table. 4.Please turn off the adjusting knob, put out the power cable,clean the machine and accessories, keep in cool and wind area after use.