hand switch for electric height adjustment and simultaneous adjustment of all chair sections extremely soft padding with compact edge (14 cm) manually adjustable head section safety rails with integrated armrest and hand switch holder push handles at head section and bumpers at leg section weight capacity 250 kg castors with central locking system (Ø 150 mm) fifth wheel (pair) for excelent manouvrability (Ø 200 mm)hand switch for electric height adjustment and simultaneous adjustment of all chair sections extremely soft padding with compact edge (14 cm) manually adjustable head section safety rails with integrated armrest and hand switch holder push handles at head section and bumpers at leg section weight capacity 250 kg castors with central locking system (Ø 150 mm) fifth wheel (pair) for excelent manouvrability (Ø 200 mm)