Serta Mattress Motion Perfect III Adjustable Bed Base, Divided King, Wireless, Bluetooth, Massage Divided king size dimensions 80"L x 76" W for standard king mattress Full head and foot articulation Bluetooth connectivity next gen silent drive motors Back lit wireless remote - custom pre set memory position buttons Zero clearance design - use without legs - works with existing bed frames including platform beds Dual body whisper quiet six level massage system - 20 year limited manufacture warranty