B-right 6W 4-inch Ultra-thin Round LED Panel Light, 480lm, 40W Incandescent Equivalent, 3000K Warm White, LED Recessed Ceiling Lights for Home, Office, Commercial Lighting What You Care: About 4" cut hole size, ultra-thin approximately 1" thickness; Very little heat generated; No recessed can needed; Junction box not included. One light come with one transformer. Energy Efficiency: 480 lumens, 40 watt halogen replacement uses only 6 watt. Use 90% less energy compared to CFL, incandescent and halogen bulbs. Non-Dimmable Panel Lights: Wide working voltage of AC 85-265V, no fliker and no dazzling, CE & ROSH & FCC Approved. If you like the Dimmable lights, please search B015DSPB70 on Amazon. Additional Convenience Installation: 5FT, 10FT, 20FT Extension Cable avaiable, to extend the distance between light fixture and led driver, you can search this number B01GAU1C1Y on Amazon, buy it for your special installation. Widely Applications: This is an excellent cost performance led panel light ideal for living room, bedrooms, washroom, kitchen, hallways, stairways, offices and many more commercial or residential place. <span class="a-text-bold">High Quality:</span> Die-cast aviation aluminum, great heat dissipation, lifetime over 50000 hours. <span class="a-text-bold">Comfortable Light Effects:</span> Adopting side emit light technology, through the advanced light diffuser and guiding plate to create uniform and soft light effect, that&#039;s so comfortable for eyes. <span class="a-text-bold">Constant Current Driver:</span> Our power supply using high-quality constant current isolation driver, with overload, overvoltage, overcurrent protection. Fireproof, safe and durable. <span class="a-text-bold">Convenient Install: </span>Spring clips assembled already, remove your troubles to install the clips; Add 2 Wiring Caps to easily wire them to the circuit. Material: Aluminum + Acrylic Input Voltage: AC100-240V/50-60Hz Output Voltage : 6W/DC12-24V; 9W-12W/DC24-43V; 15W-18W/DC43-63V; 25W/DC60-90V Luminous Efficiency70Lm/W LED Light Source: SMD2835 IP Rating: IP22 Light Beam Angle: 120 Certification: CE/ROHS/FCC Turn off the home power. Cut a appropriate hole on sheetrock according to product cut-hole size. Connect the led transformer to the power supply (AC voltage design, doesn&#039;t matter which leader connect to hot and neutral wire). Pull up the spring clips and insert the light fixture to the hole. Adjust it to hook the ceiling tightly. 1. According to the max load capacity of the switch to install appropriate quantity in one switch. 2. Recommended to increase the number of 10-20% to meet the product illumination, if the installation height over 8ft.