|SM-647A is one of the meaningful model in breast pump. It contains special surface design which is different from other machine’s paint appearance.It’s hard to imagine this beautiful breast pump can be use in mother’s life-time.|
1. Tilt over the bottle or the breast milk is overflowing during operation will let the breast milk flows back to motor pump unit and damages the motor pump. The anti-back flow device is designed to prevent breast milk flows back and not to damage the pump unit.
2. Dual power supply, can be used in 110V-240V power supply or 4AA alkaline batteries which are convenience to carry around.