Optional Configurations: For installation on either side of the stairs
Rail extension brackets: To create no intrusion at top landing
Outdoor package: Suitable for moderate climates, includes stainless steel rack
and support legs, and zinc hardware for rust resistance; UV-rated, water repellent closed cell
foam seat with cover and clip seatbelt; RF remote controls; and upgraded
battery for long-lasting charge in varying temperatures
Other Options: Continuous charge system, flip-up rail for bottom landing, emergency stop button and radio frequency remote controls.