air mattress specifications : Technical Parameters: 1. stepless working pressure of the regulator ranges 10 kpa-19 kpa 2. air feeding time ≤ 30min. 3. period of air feeding and letting of adjacent air routes in 10 min 4. the working noise < 45db(A) 5. the surface temperature of the regulator ≤ 55 6. power supply : 220v ± 10% 7. power frequency :50HZ ±2% 8. input power : 11VA 9.dimension: regulator 290mm *150mm*165mm pad 1850mm*850mm (before air feeding ) 10 .weight :regulator : 2.5kg Pad : 3.4kg