Micro Miniature advanced vacuum pump, breast pump, Air pump
This vacuum pump is special and may be used on breast pumps. The other port that communicates with the suction port during operation is automatically blocked, the suction port is normally pumped, and the vacuum is automatically released when the machine is stopped.
rated voltage DC 3.7V (also work on 5V)
current 0.4A
suitable voltage 3.7-5V
pressure range 500-700mmhg
Maximum vacuum> -400mmhg
weight 45 grams