HS-LSW1 auto seat switch

Product Description

Item	Specification
Product name	12V four-way electric pneumatic lumbar support system
Product model	HW-YBZC4-2
Working voltage	DC 9–16 V (standard 12 V)
Max working current	0.5 A
Air bag thickness (deflated)	10 ± 2 mm (slim profile)
Air bag height (inflated)	75 ± 5 mm (max support depth)
Wire cross-section	0.5 mm²
Adjustment mode	4-way (up / down / in / out)
Product size	22 × 23 × 0.5 cm
Material	TPU
Color	Black, white
Components	2× TPU air bladders, 1× silent air pump, 1× 4-button switch
Installation	Built-in (installed under seat foam)
Application	Van seat, campervan seat, driver seat
Net weight / Gross weight	0.36 kg / 0.8 kg
Packing size	25 × 25 × 10 cm

✔ Solve Poor Lower Back Support During Long Drives

Standard vehicle and RV seats often lack proper lumbar support, leading to lower back pain, fatigue, and discomfort—especially during long-distance driving or extended sitting.

✔ 4-Way Adjustable Electric Air Lumbar System (12V)

The HWHongRV 4-Way Electric Air Lumbar Support uses a compact 12V air pump and inflatable air bladder to provide precise lumbar adjustment. Users can easily control inflation and deflation to achieve the most comfortable lower back support.

✔ Key Features & Advantages

4-Way Air Adjustment — Inflate and deflate freely to fine-tune lumbar pressure.
12V Electric Air Pump — Stable performance, low noise, fast response.
Ergonomic Lumbar Bladder — Improves posture and reduces driving fatigue.
Compact Control Unit — Easy integration into seat side panels or armrests.
Flexible Air Tubing — Simple installation inside seat cushions.
Wide Compatibility — Suitable for driver and passenger seats.

✔ Typical Applications

Automotive power seats
RV & motorhome seats
Luxury MPV & business seats
Truck and commercial vehicle seats
Seat upgrade and retrofit projects

HWHongRV provides professional seat comfort and adjustment solutions trusted by global seat manufacturers and vehicle conversion specialists.