Single Operator Required: This hand truck dolly features Edge Brake System and Stairs Hover Function,avoid falling down & slipping on stairs. Point Touch Operation Button and Ergonomically Designed Handle, easy and safe to operate even with only one person. 330Lbs Load Capacity: XSTO stair climbing truck with capacity of up to 330lbs, It can carry printers, home appliances, furniture and other goods easily by single person. It can help you save huge labor costs. It comes with a 145.6inch seat belt can help you fix the goods to prevent falling down. Caterpillar Track Drive and Non-slipping Wheels: XSTO powered stair climbing cart with caterpillar track drive, rubber crawler track, Anti-slipping and with long lifespan. 10 " Pneumatic Rubber Tire, Good Shock Absorption, safe and durable. Easy to Operate Control: XSTO motorized stair climbing trolley simple design of buttons. Operation switch, point touch design, easy to operate; mode switch - upstairs/downstairs switch; speed switch - fast/slow switch. Ergonomically designed handle, foldable aluminum alloy armrest, can spin in 360 degree, adjust angle on demand. Labor Saving and Wide Applications: XSTO heavy duty stair climbing hand dolly allows you to maintain an upright posture on the stairs and keep maximum control over the goods being transported. It is used by logistics, moving companies and supermarkets. Ideal for fridges, wash machines, furniture, wardrobes, cases, soft drink pallets, heavy packages, tools etc. What You Get: 1* XSTO CT150P electric stair climber, 1*lithium battery pack, 1*repair kit, 1*AC charger, 1*safety belt, 1*user manual and 12 months warranty policy(battery only) and lifetime technical support. XSTO CT150PB Crawler Electric Stair Climber, 400W Motor Hand Trolley 330Lb Load Capacity Stair Climbing Cart 48V 10Ah Lithium-ion Battery Powered Stair Climbing Hand Truck with Caterpillar Track Drive