| Inclusive design usable by people with a range of mobility impairments, including those with wheelchairs and walkers |
| Is “always available”, i.e. doesn’t need to be called from another floor |
| Provides the option for users to use stairs |
| Stair tread rise to run ratio consistent with current building codes |
| Form factor that allows aesthetic integration with North American bungalow homes |
| Potential for a self-powered version (i.e. no external power required) |
| Usable for emergency descent in absence of power |