Description: Power supply for Gigaset DL500A / DX600A / DX800A / LM55 / N720 DM / N720 IP. Please check the back or bottom of your base station for compatibility. If you find the designation "C39280-Z4-C745" there, you can use the power supply unit for your base station. This power supply unit is compatible with the Gigaset base stations listed here CX203 ISDN Mobile Dock CX253ISDN LM550 SX303 ISDN LM550| SX353 ISDN DL500A DX600A ISDN DX800A Technical data: Input: 100-240VAC 50-60Hz 0.5A Output: 12VDC 1.0A FEEL FREE TO MESSAGE IF YOU HAVE ANY QUERIES.