【Power Specs】 Input: 100V-240V 50/60Hz; output: 12V DC, 1500mA max; Output adaptor jack size: 5.5mm x 2.5mm;4ft power cord.Polarity is inside positive "+", outside negative"-". 【Safety Features】This 12v 1.5a charger adapter built in automatic over-voltage protection, over-current protection, over-temperature protection, short circuit protection. Fire retardant shell. Safe to use. Multiple safety systems protect your device very well. 【Wide Application】 This 100V-240V AC to DC 12V Transformer widely use for LED light strip, CCTV camera security system, Bluetooth speaker, keyboard, Wireless Router, TV boxes, webcam router and more compatible 12V devices less than 18W. 【Universal Adapter】 Works well with most of devices that draws less than 1.5A@12V, such as 160mA 250mA 300mA 450mA 0.5A 0.85A 1A 1.25A 1.3A 1.5A. We recommend to use less than 80% of the full load. DO NOT OVERLOAD! 【Quality assurance】Before use, please confirm:Your device's DC socket matches the power adapter;The device's power consumption DOES NOT exceed the adapter's maximum output (shown on the label)If you need any assistance or have questions, please contact us first - we're happy to help resolve any issues! Parameter Input: 100~240V AC, 50/60Hz Output voltage: 12V DC Output current: 1.5A max Output wattage: 18W max DC plug connector size: 5.5mmx2.5mm; 5.5mmx2.1mm compatible Polarity: internal "+", outside"-" Dimensions: Please refer to the picture. Working Temperature: -20~60℃ Ambient Humidity: 0~95% Non-Condensation Safety Compliance: FCC/CE/RoHS/CCC Dimensions: Please refer to the picture. Kindly Note 1) Indoor use only. 2) Please don’t use it overload. 3) It’s better to use less than 80% of the full loads. Otherwise, the lifespan of the power supply will be greatly shortened. 4) We recommend you to use this 12V 1.5A 18W power supply to power devices less than 1.2A 14.4W. Package 1x 12V 1.5A power supply adapter