★ CLIMBING DESIGN: Specially-designed 2 wheels decrease pressures on supporting surfaces, which strengthens its stability and allows to “walk" over stairs and obstacles.
★ Five major protective properties: Over discharge protection / over charge protection / temperature protection / short circuit protection / over current protection
★ Special lithium battery for climbing machine, 1.5 h fast charging, ternary lithium battery, stable performance, long life, built-in display to check the power
★ Endurance: 50 ~ 112 floors (900 ~ 1800 steps); unfolded size: 1555 X 530 X 620 mm; folded size: 1235 X 530 X 320 mm; climbing speed: 34 steps / minute fast, slow steps: 24 steps / minute
★ Package Included: Electric Stair Climbing Cart * 1;Manual* 1;Lithium battery*1;Lithium battery charger*1.If you have any questions about purchasing goods from us, please feel free to contact us through the Amazon message center.