Engineered furniture grade laminate / hardwood frame. Quiet & smooth lift system. Heavy-duty lift actuator & scissor mechanism. Standard head and arm covers. Fire retardant (California specifications; bulletin 117). Standard, large dual pockets. Removable back. 375 lbs. weight capacity. Integrated battery backup in case of power failure. Transformer features self-diagnostic electronics w/ 12′ cord. Lifetime warranty on steel lift frame. 7-year pro-rated warranty.