Height travel range: 7.95'' to 30'' Safe Work Load: 500 pounds Sealed ball bearings ensure maintenance-free continuous silent operation Timesaver Technology - fast motors save time Synchronized high-low motors keep the bed level for proper therapeutic positioning Sealed ball bearings ensure continuous silent operation Intuitive two-pedal locking system is centrally positioned and easily visible from a distance to ensure that the bed is locked Bed provides 360ΓΈ mobility at ANY height Adjustable mattress retainer securely supports mattress position for 76'' or 80'' length (included with bed) Edema foot ratchet to elevate the foot end of the bed (included with bed) Warranty: 15 years on frame - 5 years on motors and control box (longest motor warranty in the industry) - 3 years on other electronics