Specifics: Name: Mini Telescopic Linear Actuator Expansion distance: 39MM Maximum reciprocating speed: 200RPM Maximum thrust: 4KG (12V) Input voltage: AC 100-240V Working voltage: DC 3-12V Connection shaft size: M6 Connector: 60MM Diameter Aluminum Plate Product size: 190x85x70MM Feature: The mini reciprocating mechanism adopts thickened stainless steel structure, with variable angle powerful suction cup, which can be adsorbed on smooth glass, ceramic tile surface and other smooth places. The front end is M6 screw interface, which can be connected with M6 interface appliance expansion. It can be powered by 12V power supply and DC 5V USB charger (self provided) or DC 5V mobile power supply (self provided). The product has been upgraded, the thrust of the machine is increased to 4kg. The angle can be adjusted. Friendly Tips Due to manual measurement , there may be 1-3cm deviation exist,hope you can understand. There are slight difference between the picture and the real item caused by light brightness,hope you can understand. Package: 1pc of Mini Telescopic Linear Actuator 1pc of Adjustable Speed Power Adapter 1pc of 60MM Diameter Aluminum Plate Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.