Safety features: Over-voltage protection, over-current protection, short circuit protection. Input voltage: 100V-240V 50/60Hz; Output: DC 24V 6A; Output adaptor jack size: 5.5mm x 2.5mm, US plug type. Voltage consistency: No voltage fluctuations at power on, during transmit, receive, or at power off. It will protect your electronic products from destruction. 30-day money back guarantee, please contact us once you find a product received has failed your expectation, we will do best to respond to your satisfaction. Great for LED strips lights, garden camera, 3D printer, ham radio transceiver, camera, car subwoofer amp, audio amplifier, RC LiPo chargers, computer project, wireless router, ADSL Cats, HUB, audio/ video power supply. Indoor use only!