I purchased this and it arrived sealed in plastic and seals unbroken. Input voltage set correctly but no output voltage. Returned the unit and second one was exactly the same. Ordered another brand and will try that.
12V AC Adapter Power Cord Compatible With Roku 3 4230CA, 2 2720R, 1 2710R Streaming Media Player Replacement Charger
14 Review
UL Listed AC DC Adapter With Long 8.2 Ft Cord For Brother P-Touch Label Makers - Compatible With AD-24 AD-24ES AD-20 AD-30
28 Review
12V 6A 72W AC To DC Power Supply Adapter Converter Regulator With 5.5Mm X 2.1Mm DC Plug, Wall Plug Switch For 5050 LED Strip Lights
17 Review
UL Listed 8FT 9V 1.5A AC/DC Power Adapter - FCC Certified & Compatible W/ Many Models
22 Review