Aetna Engineering Precision Digital Tachometer Model 7804 12 VDC 0.4 Amp DIESEL Unit is untested but in very good cosmetic condition. Backed with 30-day satisfaction guarantee return policy. Please see photos as they are part of description and you will receive exact item as pictured. Backed with 30-day satisfaction guarantee return policy. Thanks so much for stopping by! Let us know if you have any questions or need any additional images. Please take a look at our other vintage treasures and cool finds in the store! If you find a number of things you are interested in, please let us know and we will gladly combine shipping where we can*! *cannot combine shipping through the Global Shipping Program or with certain unique or fragile items Please note that we always try to reuse and recycle packing materials whenever possible Please message us first before leaving us neutral or negative feedback. Our aim is 100% customer satisfaction we can always create a positive resolution for any dissatisfied customer, Thank you kindly.