Compatibility Guarantee:This pump is engineered for double-mouth laundry detergent buckets with neck openings of 2.8-4.0cm (inner diameter). To avoid fit issues, we strongly recommend measuring your bottle's neck before ordering. Note: Not compatible with bottles that have non-standard neck sizes (e.g., some Tide, Gain bottles) or single-mouth bottles Efficient Design: The shell is made of high-quality ABS material, ensuring durability. It features an exclusively designed high-pressure pump for rapid dispensing, with a flow rate of up to 8ml/s, Please note: This product has a certain level of noise Space-Saving: Directly electric laundry detergent pump using the pump without the need to pour or tilt. This keeps detergent bottles upright and easily accessible, eliminating cluttered laundry racks and saving space in your laundry room or storage area Precise Dispensing: Select the desired amount to avoid using too little, which may not clean effectively, or too much, which can lead to residue. This reduces detergent waste Long-Lasting: Equipped with a power source with a capacity of 1500mAh, it only requires 3 hours of charging for over 120 uses. Using this product not only saves energy costs but also minimizes environmental impact Suitable For Dual Port Detergent Buckets: This machine is suitable for dual port detergent buckets with an inner diameter of 1.3in ± 0.06in (33 ± 1.5mm), Insert the glue plug at the back end of the intake tube into the mouth of the laundry detergent barrel after insertion, the machine will not be loose and the tray will be kept level Good Partner For Laundry Room Organization: this automatic liquid laundry dispenser pump equipped with high-speed power is designed for liquid laundry, liquid laundry soap & laundry softener For you - If you have any problems with the product, please feel free to tell us for fast after-sale service. We will reply in 24 hours Precision Fit for Standard Dual-Opening Pails：Liquid-silicone inlet fits 1.3″±0.06″ (33 mm±1.5 mm) dual-opening detergent buckets—compatible with most major-brand pails.