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Only to insert! Clear confirmation of the liquid in the large LED For water and oil, other liquid Carrying is convenient in the dry batteries. How to use 1.Please insert DLS-900 in the drum perpendicularly. 2.When confirm liquid level, Push ...

Easy to Use! It only  put into the drum, and turn on the power! By the time of fullness, the bell and light, warning sending. For Water, Oil and so on AC200V-240V Multiple power. How to use. 1. DLC insert ...