Description:1.Only one unit to choose among 0 to 9 totally 10 digits.2.Two change switch to get increasing sequence or reduce sequence.3.please pay attention, pack total of 20 pieces they need you to assembled for used. it is easy to assembled and DIY4. This coding technique is most commonly used in the design of systems. It uses BCD codes to preserve the accuracy of the values and eliminate the time it takes for the computer to perform floating-point operations. In addition, for other high precision calculations required , BCD coding is also very common. Specification:Product Name: DIP SwitchType: BCD CodeModel: 8421 code switch Digital: 0-9Main Material: Plastic, MetalSize: 30 x 18 x 8 mm ( LxWxT) Package Content:Package Content: 20 x DIP Switch .
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