JUSJUBR Display Cabinet Lighting 4-Pack, Dimmable Wired Puck Lights, Round Under Cabinet Lights with Memory Function, Daylight White LED Light for Display Case, Under Shelf Lighting, 4000K

Upon unboxing this 4-pack of LED puck lights, I was impressed by the quality and completeness of the kit. You get four 2 3/8 inch diameter slim pucks having a machined aluminum look to them, each having 12 LEDs under a frosted texture lens.Each puck includes a 5 foot cable that plugs into a 4-to-1 block which in turn plugs into short cable having a single button to turn the LEDs on, off, or dim/brighten between 100% and about 20% by keeping your finger on the button - it's a touch response button, so there is no "click" feedback. The included AC adapter has a 3 foot cable that can be extended by another 5 feet with an added adapter cord.To help complete your installation, you also get 6 round adhesive discs to mount the 4 pucks, and two rectangular adhesives for the button controller. The LEDs can also be attached with screws since the top cover of each puck can be unscrewed revealing mounting holes beneath (though screws were not included with my kit). Finally, double-sided adhesive cable clamps (3 per puck) along with 2 line cord clamps help organize wiring.I tested the whole assembly and found that the light is well diffused and bright enough to highlight items on bookshelves or cabinets, though you will have to plan your layout to accommodate the wiring scheme. The maximum distance between any two pucks is 10 feet and each of the pucks must be within 5 feet of the 4-to-1 block. The dim level and on/off condition set by the one-button control is remembered if main power cycles off and on, so remote controlled outlets work well with this setup.