Telescopic Rod Usage Instructions: Expandable Range 7.8~50 Inches.
1.First put the upper threaded tube in place
2.Then unplug the silicone plug behind the main unit
3.And rotate the threaded end of the telescopic rod into the threaded hole of the main unit
4.when taking the telescopic rod, you need to pull down the movable plate on the telescopic rod before you can take it out.