... instruction manual. Function: It can be welded in the air bed to inflate/deflate.Low noise,large storage room wires,inflatable ... 1.With the automatic controller,it can inflate/deflate the air bed automaticlly.When the pressure exceeds the 3000pa(±10%),inflatation ... If you want to inflate the air bed successive,you should press the inflation button of air transmission controller. 3.This products ...