YOOFONE 12V 0.5A Power Supply Adapter 100-240V AC to DC 12 Volt 0.5 Amp Power Adapter with 5.5mm x 2.5/2.1mm US Plug for CCTV Security Camera, DVR NVR Surveillance System, LED Strip Light etc. - 12V0.5A-BK

• General information. Input Voltage: AC 100V-240V 50/60Hz, Output: 12V DC 0.5A Max. Works with device that draws less than 0.5A, such as 100mA, 200mA, 300mA, 350mA, 450mA,500mA. DC plug connector external diameter is 5.5mm, internal diameter is 2.1mm. Safety Protection. Automatic overload cut-off, over voltage cut-off, overheating protection, short circuit protection. No noise, no fire hazard, low temperature operation, stable output. Wide Application. Perfect for 0.5V devices less than 6W, such as CD players, LED strips, light boxes, small appliances, routers, juicers, coffee machines, security monitoring, keyboards, PSPs, Wireless routers, speakers, security cameras, network cameras, CCTV, LCD monitors, audio and video products, digital products, LED desk lamps, LED lighting projects. and so on. Voltage Consistency The 12 volt power supply has no voltage fluctuations at power on, during transmit, receive, or at power off. It will protect your electronic products from destruction. Be Careful (1) This product is an AC to DC adapter, NOT A CHARGER!!! It cannot be used to charge electronic devices with batteries. Otherwise, it may damage your device. (2) Never overload. If the current drawn exceeds 0.5A, the power supply will be damaged soon. (3) In case of any problem, please feel free to contact us. We have 30 days money back guarantee, 18 months replacement guarantee.