Feature:1. ADJUSTABLE LUMBAR SUPPORT: Easy to operate with one key electric remote control, providing comprehensive massage for the waist and back. Available in 4 directions, up, down, front, back, offering maximum comfort and support.2. SUPERIOR MATERIAL: Crafted from high grade ABS materials and specially treated for durability. Conforms to the curve of the waist, reducing pressure and fatigue during long periods of sitting, enhancing driving comfort.3. CUSTOMIZABLE AB CONTROL: Various switch modes allow for individual or simultaneous control of the ab. The air pump inflates and deflates the ab to provide adjustable lumbar support.4. ENHANCED DRIVING COMFORT: Minimize back ache and fatigue with maximum lumbar support. Suitable for cars, RVs, and trucks, this lumbar support ensures a comfortable and ergonomic seating experience.5. EFFORTLESS ADJUSTMENT: With the touch of a button, adjust the lumbar support without manual handling. Enhance driving comfort and reduce strain on the lower back with this electric remote control lumbar support.Specification:Item Type: Electric Air Lumbar Support SystemMaterial: ABSModel Number: HS-2ASO4MRated Voltage: 12VOperating Voltage Range: 9-14VRated Power: 10WEmpty Inflation Rate: 4.5L/MinMaximum Stroke: 60mmPlate Size: Approx. 270mmx205mm / 10.63inx8.07inFitment: For Car RV Truck.Package List:1 x Seat Lumbar Support1 x AccessoryNote:Professional installation is highly recommended.