FEATUR: SoulBay premium quality universal AC/DC Adapter power supply multi voltage has multi voltages with AC 100-240 V 50/60Hz input voltage and 11 pcs interchangeable adapter tips VERSATILE: This power adapter comes with 11 pcs interchangeable dc plugs to enhance the versatility to power various household electronics, they are LED Terminal Connector, USB-C, Micro USB, 6.3*3.0 mm, 5.5*2.5 mm, 5.5*2.1 mm, 4.8*1.7 mm, 4.0*1.7 mm, SELECTABLE VOLTAGE: Easily switch to DC 5V, 6V, 7.5V, 9V, 12V, 15V, 19V(20V) direct current, Output: 5v/6v/7.5v/9v/12v volt 4000 mA/4 Amps max, 15v/19v/20V 2500 mA/2.5 Amps max COMPATIBILITY: Works for most household electronics, like scales, massagers, routers, speakers, LED strip lights, lamps, CCTV / DVR / security camera, LCD Monitor TV HDTV, home speaker system, amplifier, USB Hub, Roku, DIY project, External Hard Drive HDD, HD telescope, Nextbook, Wireless Bluetooth Speaker and More SAFE & RELIABLE: 20 AWG 5 Foot power cable with magnet ring, comply with FCC regulations, built-in over-voltage protection, short circuit protection, safe to use, Polarity: Center Positive (+), Outer Negative (-) FEATURE:
Allows switch AC 100-240V to DC 5V/ 6V/7.5V/9V/12V/15V/19V manual selectable output.
Come with 11pcs adapter tips for various household electronics.

Wide Applications: for CCTV, DVR, Security Camera, LCD Monitor TV HDTV, LED lighting, home speaker system
For Amplifier, USB Hub, Router, Roku, DIY project, External Hard Drive HDD, HD telescope, Nextbook, DVD, TV box, Router
For Jestson Nano board developer kit, weBoost Connect RV 65, Braven Wireless Bluetooth Speaker, aquarium leds, massagers and more

Specifications:

Model: UC22U
Input: AC 100-240V 50-60Hz
Output: 5V 6V 7.5V 9V 12V 0-4Amps, 15V/ 19V/ 20V 0-2.5Amps
Cord Length: 5 Feet/ 150cm
Polarity: Center Positive
Power adapter dimension: 3.54*1.85*1.26 inch (without AC prong) UPGRADE: We upgrade the adapter tips quantity from 8pcs to 11pcs, and add the new USB-C tip, to enhance the compatibility! 8pcs inter-changeable adapter tips:
✔ USB-C, Micro-USB, 5.5*2.5mm, 5.5*2.1mm, LED Terminal Connector
✔ 6.3*3.0mm, 4.8*1.7mm, 4.0*1.7mm, 3.5*1.35mm, 3.0*1.1mm, 2.5*0.7mm
Packaged Included: 1x AC/DC Adapter, 11 x Adapter tips, 1 x User Manual

Note:

(1). Please check the Output of your device and make sure it's in the valid Voltage setting.
(2). Please carefully check the specification of your device to ensure it matches.

FAQs

Q1: Can I use this power adapter for DC 12V 3.5A device?
A: Yes, this power adapter is rated at 4A max at 12V voltage, which is backward compatible with 4A 3.5A 3A 2.5A 2A 1.5A 1A.

Q2: What’s the max output current at 15V?
A: It’s 2500mA max at 15V voltage.

Q3: What is the use of the small key?
A: To adjust the voltage knob and select your desired volt.