Multitester tested for voltage. This is a voltage EQUIVALENT adapter for many (but not all) SwingLine products with the following requirements: AC input 120V and DC output: 7.5V 1000mA (aka: 7.5vdc 1A). Amperage can be higher, but never lower. Round barrel connector with a positive center. Please determine compatibility before bidding. Questions are encouraged. Photo is generic. Adapter shape, size or color may differ from photo. Special wrapping is provided to protect the prongs. S H in the contiguous USA is $6.(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 4 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 4 day drop-off time. Thankyou.