1Unobstructed long oval handrail and nonslip tilt pedal is softer and more comfortable to use. 2Reinforced aluminum alloy, firm and beautiful, strong and light, compact and easy to store. 3Equipped with ladder storage buckle, no abnormal noise when driving, more safer to use. 415 degree inclined straight oval armrests is antislip, comfortable, safe and ergonomic touch. 5Suitable for indoor, household, RV, camper, yacht, bunk bed and other scenes without restriction.