<b>Energy Bear telescopic ladder, safer and more high-end</b> <br> <br><b>We only focus on the production of safety ladder - For their own and family safety, from now on to bid farewell to inferior products, bid farewell to the danger</b> <br> <b>Explanation of working principle: </b>The upper and lower tube is contracted, and the bolt is locked (the stress point is on the bolt). The bearing weight is 330 kg. <br>Make sure to check whether the lock of the ladder is completely locked when opening the extension ladder.Failure to lock the ladder can result in broken plastic parts and <br>other damage to the ladder or personal safety problems.This is the damage caused by improper use <br> <br><b>Operating Instruction：</b>Take out the anti-pressure plug iron block in the foot of the ladder, After assembling the balance bar, then install it on the ladder leg.<br>Tips: Please be careful not to scratch your hands during the installation process. Please don't push the black buttons on both sides of the ladder at the same time<br>Please use one hand to control the ladder to be retracted and the other hand to press the black button one by one. Then use your hand to control the ladder to be retracted and slowly lower the ladder. <br> <br><b>The simplest calculation formula: </b>Length - use the height + 11.8in So we suggest buying a 213in extension ladder, afraid of short not afraid of long, so please buy a longer ladder.<br><br><b>NOTES</b>:Each section of the ladder should be opened in place until clicking sounds are heard on both sides to indicate that the pedals have been locked.If not in place, the pedal will not be locked and cause the pedal to slip. <br><br><b>Specifications:</b> <br>Total steps: 15 <br>Fully extended length: 18.5FT <br>Fully retracted height: 3.7FT <br>Net weight: 35lbs (16Kg) <br> <br><b>Package Includes:</b> <br>1xTelescopic Aluminum Ladder <br>2x Rubber feet <br>2x Rolling wheel <br>1x User Manual