Embedded Finger Reader & Access Board+battery Case 50pcs Finger 12v Or 24v Power Supply Finger Cont

fingerprint head+control board+Battery Case(Without 4*AA batteries)With power switch12V 24V power supplyHas 6V socketOpening hole 19mm fixedDue to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.Colour:random color , don't accept the specified colorMaterial:PCBPackage Contents:1 x Control board with fingerprint head(the appearance and color are random, don't accept the specified )1 x Battery Case(Without 4 x AA batteries)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.