Input: 100V-240V 50/60Hz. Output: 24V DC, 3A max. Output adaptor jack size: 5.5mm x 2.1mm It comes with a free female DC connector. So you can easily connect wires on it without soldering. Safety features: Automatic overload cut-off, over Voltage cut-off, automatic thermal cut-off, short circuit protection. Enough 72W output power and 24V stable output voltage will protect your electronic products from destruction. It is perfect for LED Strip Light, Wireless Router, ADSL Cats, HUB, Switches, Security Cameras, Audio/ Video Power Supply.