1. Crash tested to iso 717619 on 09.10.2014 by millbrook services test no s13301. The test chair was fitted with a high back seat and unwin safety systems items2. Uk designed & registered by roma and new patented docking system3. New 2 x 22ah detachable battery pack4. Flip up, width adjustable armrests and flip-up, height adjustable footplate.5. Intelligent, regenerative, electromagnetic brakes.6. Large storage basket7. Comfortable padded seat.8. New frame locking mechanism and pg drives controller.9. Easily disassembly without tools for carrying, storage and transportation.10. Compact and lightweight design with excellent maneuverability.11. Captain (high back) seat