Female Tail is 15mm Long from Back of Module. Compatible with Wall Plate Module FramesDimensions: 50 x 25 x 150mm Weight: 28g. 50mm x 25mm clip in module with a USB2.0 type-B socket and female type-A tail to the rear. Ideal for connecting USB peripherals and devices in a different location without the need for trailing wires. Suitable for domestic- commercial or educational applications.. module plates