Specification: Color: Gray Material: metal shell Input voltage: AC 110-240V 50 / 60HZ Output voltage: DC 12V Output current: 3A Power: 30W Working temperature: -20--65 ℃ Direct control electric lock: set delay control circuit, unlock time can be adjustable in 0-15 seconds. Automatic protection function: When the external circuit short circuit occurs, the power supply will automatically protect the non voltage output. Product Size: 11.3 x 9 x 3.3cm Features: -Wide input voltage range -small weight -High reliability -Good electromagnetic compatibility -High efficiency -Perfect protection Packing List: 1 x Access Control Dedicated Power 1 x Chinese and English Manual