Thomson 5-2330A Telephone Power Supply - 9V DC 450mA Class 2 AC Adapter Tested. Great condition. Shipped winning one day of payment. ******* This Thomson 5-2330A Telephone Power Supply is the perfect solution for those who need a reliable power source for their devices. With a 9V output voltage and powered features, this wall plug is compatible with a wide range of electronics. The model number is 5-2330A and it is a Type Wall Plug. This AC to DC adapter is designed for use with multipurpose batteries and power devices. It is compatible with a range of electronics and is ideal for use at home or in the office. The brand is Thomson and it is a high-quality product that is built to last.