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Wire light switch with pass through What is a PoE PassThrough switch? A Power over Ethernet (PoE) pass-through switch is a special type of PoE switch that gets its power from an upstream PoE switch or injector and passes power to other PoE devices, such as VoIP phones and cameras.

When no more internal magnetism can be created within a material, it is said to be saturated. Saturation is a fluid condition which is dependent upon the material's magnetic characteristics and the intensity and direction of the applied magnetic field.

Fingerprint sensor A capacitive fingerprint sensor uses a grid of tiny capacitors that store electricity, which is discharged only at the points where your fingerprint ridges touch. An array of thousands of capacitors can then be used to map the pattern of your fingerprint. Sometimes these sensors also support swipes or force sensing.

What is acetate fabric Practically speaking, acetate has many advantages. As a fabric, it dries quickly, doesn't shrink, doesn't pile, and is resistant to moth and mildew stains. In its hardened form, acetate is very easy to process, making it a great and inexpensive material.