The 5111233 is a universal power supply 3 - 12 V DC to power many small electrical devices. The APS 300 gives you the option to operate a variety of small electronic devices, such as handheld computers, digital cameras, measuring devices, MP3 players, CD players, etc. For best compatibility with many devices, a seven-part plug set is included. The usual jacks and barrel connectors contained therein ensure ideal contact. No matter which device should be operated. The output voltage can be set through a rotary switch on the back of the power supply. The APS 300 is short-circuit proof and voltage-stabilized. Suitable for consumers up to max. 600 mA, 3.6W.