The iDealBed Smart 7i Custom Adjustable Bed Base turns any mattress into a smart adjustable bed with active lumbar and pillow tilt, so you can go from reading mode to zero-gravity bliss without stacking pillows. Its lumbar support lifts the head up to 80° and the feet to 50°, then fine-tunes an active motorized lumbar support system that extends up to 4 inches for precise lower-back relief. Couples who choose the iDealBed 7i split king adjustable base enjoy completely independent movement on each side. Next, you have heavy-gauge tubular steel and whisper-quiet dual Silent Drive Alpha II motors that deliver 1,000 lb of lift, while wall-hugger technology for bedside reach keeps your nightstand within arm’s length. Convenience extras include dual USB-A and USB-C charging ports, an under-bed LED nightlight system, 3-in-1 height-adjustable legs, and an emergency battery backup safety feature for power outages. Better still, owners seeking the best adjustable bed base for lower back pain relief praise how this adjustable bed with lumbar support and massage combines three-level vibration massage, Zero-Gravity, and Anti-Snore presets to melt away tension at day’s end. Lastly, tool-free setup takes minutes, and confidence comes baked in with a 10-year warranty.