AC 100-240V, 50/60Hz; output:DC 3-24V adjustable, maximum 3A 72W; suitable for most electrical appliances with the rated power between 3V and 24V, the rated power is equal to or less than 72 watts. The LCD display display the output voltage to prevent the error-proof voltage adjustment and damage your device. 6.5x4.4 mm+ needle, 5.5x2.1 mm, 5.5x3.0 mm+ needle, 5.0x2.5 mm, 6.3x3.0 mm, 5.5x1.7 mm, 4.8x1.7 mm, 4.8x1.7 mm, 4.0x1.7 mm, 3.5x1.35 mm, 3.0x1.1 mm, 2.0x1.1 mm, Micro-USB, Type-C and DC terminal connector.Easily meet the power supply of different equipment.It can be applied to almost all commonly used electronic devices.You can easily twist the wires to it, which is very suitable for DIY projects. Automatic overvoltage cutting, over-current cutting, over temperature cutting, short-circuit cutting. No noise, no explosion, fire-free danger, use . 6-foot long power cord, easy to use. 72W integrated multi-function AC/DC adapter is suitable for many 3-24V small household electronic products, such as LED bar, 3D printer, TV box, smart speaker, wireless router, essential oil diffuser humidifier, USB fan, WIFI camera camera, WiFi camera camera, USB hub, hard disk box, DC motor, DC pump, digital frame, DVR NVR monitoring system, etc.Only indoor use.(Check the DC jack before purchasing: 5.5x2.5mm, compatible with 5.5x2.1mm) 1 x 3-24V 3A general communication/DC adapter, 14 x DC connector, 1 x reverse converter, 1 x crocodile clip test lead, 1 x DC power plug cable. Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage:DC24V Colour:As Shown Material:Metal Package Contents: 1set * 9v dc power supply Only the above package content, other products are not included. Note: Light reflection 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.