Check the listing for details. VTG Voltage Regulator Triplett Meter Panel Polytron Devices Power Suply Current. Condition: Used. Listed at 89.99 USD. This was acquired at an estate of a retired college professor. The red power light comes on when plugged in. I have no knowledge for me to be able to validate if it is working on not. Hoping someone can use. My home is smoke and pet free. Please look at pictures closely for details. I take pride in providing high-resolution photos in natural light from a Canon Rebel DSLR camera. Please ask any questions. Check out other items in my store. If you purchase multiple items I will normally work with you in reducing combine shipping costs. SHIPPING: In most cases, if I receive payment by 8 p.m. Central time I will take your item to the Post Office, UPS or FedEx Office the next day. If you need shipping expedited please contact me prior to bidding/purchasing. If you are from Hawaii, Alaska, Puerto Rico, OR if you only have a PO Box and not a street address, or an APO address contact me PRIOR to purchasing.I like to be ?green? and will reuse boxes on occasion. They will be clean and will be appropriate. International SHIPPING: We use eBay's International Shipping Program for International purchases, which manages the shipping and customs process for our customers. You pay directly to them for the Shipping and Customs before shipment. Therefore your item does not have to go through the waiting process of customs payment. This expedites your item's shipping. You will also receive tracking for your item.