A 5V-2A adapter=power brick is recommended. Other power supply methods may make the product not work or work poorly. Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Desk Clip on Lamp for Reading Home Office, 10 Dimmable Brightness 3 Modes, Clamp Light for Bed Headboard Added to wishlistRemoved from wishlist 0 Add to compare $11.99 $9.99 17%