• Material: Aluminum Alloy • Aluminum Grade: 6063 • Temper: T5-T6. • ISO9001,ISO14001, SGS • Max weight capacity: 150 kg / 330lbs • Lightweight material ensures the double-sided ladder to be carried effortlessly . • Stabilizer bar and non-slip mat improve the stability of the telescoping ladder, eliminating your worry about swaying when working on it. • One-Button Retraction: New upgraded internal structure, no more worry about pinching hands. It takes only a few seconds to retract the heavy duty ladder from its full extension by pushing the switch at the bottom and is convenient and safe. • Multi-purpose and adjustable: The height of ladder can be adjusted to meet your different needs such as replacing bulbs, cleaning windows, or decorating rooms, etc. • Compact Storage Size: Its fully extended height is 6M(tallest), and the storage size is only ¼ of that. Fixed with heavy-duty strap for easy transport and storage in your car trunk or other limited space.