Feature: 1. MULTIFUNCTION: Switching power supply transformer adapter can automatically turn on or off the cooling fan. High efficiency, low temperature, power on LED indicator. 2. PREMIUM MATERIAL: Regulated switching power supply converter is made of 304 stainless steel, aluminum alloy premium material, wear resistance and lasting, long service life. 3. OUTPUT INPUT, FUNCTION: Switching power supply power adapter for switching power supply 12V, converts AC110‑220V to DC12V 5A maximum, 60W maximum Indoor use only 4. MULTIPLE GUARD: Regulated switching power supply converter has multiple safety guard, short circuit, overload, overvoltage, over temperature guard, safe and reliable. 5. WIDELY USED: Regulated switching converter can be applied to smart locks, LED display, LED strip lights, video surveillance, detection signal lights, 3D printers, electronic equipment, telecommunications, etc. Specification: Item Type: Regulated Switching Converter Material: 304 Stainless Steel, Aluminum Alloy Weight: Approx. 213g/7.5oz Size: Approx. 110x78x36mm / 4.33x3.07x1.42in Input: 110-220V 50 60Hz Output: DC12V 5A Output Power: 60W Connection: L, N: AC Power Input +V: DC Power Output “+” -V: DC Power Output “-” +V/ADJ: Output Voltage Fine Tuning Widely Used In: Smart Locks, LED Display, LED Strip Lights, Video Surveillance, Detection Signal Lights, 3D Printers, Electronic Equipment, Telecommunications, etc.. Package List: 1 x Regulated Switching Converter Note: 1. Do not dismantle the housing during high powered work. Professional installation by a qualified electrician is strongly recommended.2.This product is suitable for indoor use, non removable power supply shell. There are round holes mesh cooling holes on the outside of the power supply, do not place other flammable items within 50cm of the power socket. Do not place other items within 5cm of the product to ensure that the power supply has an excellent thermal environment to ensure safety.3. Before energizing and using, please carefully verify whether the power connection is correct, and strictly prohibit the power cord from being reversed.4. Please calculate the load power accurately, do not overload. Do not exceed the maximum rating of 60W for this LED power supply.5. Indoor use only.6. Manual measurement please allow some error.