Breast milk is the best nutritional food for infants under 1 year old. Electric breast pump is a good helper for moms. It allows you to maintain a more comfortable milking posture. Different modes and levels adjustable, the breast pump can help you pump milk more easily, effictively and comfortably. Note: The default working time is 30 minutes, beyond which the breast pump will automatically shuts down or touch the power button to turn off the power. Specifications: Brand: YOUHA Color: White Main Material: PP ' Silicone 5 Modes: Low-expression, Massage, High-expression, Low-expression ' Massage, High-expression ' Massage Adjustable Level: 9 Levels Each Mode Suction Level: 50mmhg-380mmhg Rated Voltage: 5V Rated Current: 1A Built-in Battery: 1 * 3.7V 2000mAh Lithium Battery Noise: ＜60dB IP Rating: IP22 Working Environment: 10-30℃, RH15%-93%, 70-1060hPa Bottle Capacity: 210ml / 7.1oz Motor Size: 10 * 6cm / 3.9 * 2.4in (Dia. * H) Motor Weight: 265g / 9.4oz Package Size: 17 * 19 * 19.5cm / 6.7 * 7.5 * 7.7in Package Weight: 850g / 1.9lbs Package List: 1 * Pump Motor 2 * Feeding Bottle (Cap and Nipple included) 4 * Duckbill Valve 2 * Dust Cap 2 * Breast Cover 2 * Membrane 2 * Connector Lid 2 * Connector 1 * T-Shaped Tube 1 * USB Cable (Type-C) 1 * User Manual (English)