Multitester tested for voltage. This is a voltage EQUIVALENT power supply for many LABTEC products with the following specs: 15VDC 1A. Round barrel connector with a NEGATIVE center. Please determine compatibility before purchase. Questions are encouraged. Photo is generic. Shape, size or color may differ. Special heavy wrapping is needed to protect the prongs. S H in the contiguous USA is $9.(insured shipping). Please see other interesting items by JGrit USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time. Thankyou.