ITEM NAME:AC 110-240V to DC 12V 3A Door Access Control Power Switch Supply N5O1 AC 110-240V to DC 12V 3A Door Access Control Power Switch Supply N5O1 Input Voltage: 110 - 240V Input Frequency: 50- 60Hz Output Voltage: DC 12V Output Current: 3A Power: 30W This is a 110V--240V Access Control Power supply, it has anti-interference ability, provide very stable and reliable output in a various applications such as lock control/ controller control/ exit button/ RFID-ID Reader. etc. Features: It controls electric lock directly Can reduce the load of access controller, save wiring to reduce the hidden trouble Based delay control circuit, lock time can be in 0-15 seconds? Automatic protection function, unexpected situations such as when the power supply short-circuits occurs, the power may be temporarily disconnected or the fuse auto insurance line off? Door Remote Control Range: 50 - 100M / 164 - 328ft Output voltage trim range: +/- 10%~ +/- 15% Insulation voltage: Junior/sub-polar inter-1500v ac, primary/shell between 1500V AC, subpolar/shell between 500V AC Hold time: full load typically 20ms Overload protection: All output in a short circuit, overload is protected; Power output of 0-15 seconds delay locks. Size: Approx. 11.5 X 6.5 X 3.4cm / 4.5 x 2.56 x 1.34 inch Package Includes: 1 x Access Control Power Supply 1 x User Manual Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.