★【30W UNIVERSAL POWER ADAPTER】AC 100V-240V 50/60HZ 1A, output: DC 3V 4.5V 5V 6V 7.5V 9V 12V 0-2000mA 2.0A Max ★【Upgraded Version Power Supply】Made of Compact Material. overvoltage protection/overcurrent protection/overtemperature protection/short circuit protection. We focus on producing universal power adapters, and you can easily convert to different output voltages by rotating the butto ★【All-in-one Adapter】This 30w replacement ac adapter comes with 8 interchangeable tips, which makes it fits 95% of AC/ DC home appliances, such as 3V to 12V Household Electronics, Tablet PC, Scales, Routers, Speakers, LED Strip Lights, CCTV camera system, USB Charging Camera, and so on. ★【IMPORTANT MATTERS-DC plug polarity】internal positive (+), external negative (-), the polarity is irreversible. ★【Exactly What You Are Looking for 】Reasonably priced, versatile adjustable charger, different sizes of output and different levels of voltage. Safe to operate, Handy to set up at the correct voltage and Easy to attach the adapter plugs.