B-right 9W 5-inch Dimmable Square LED Panel Light Ultra-thin 720lm 5000K Cool White LED Recessed Ceiling Lights for Home Office Commercial Lighting MONEY AND ENERGY SAVING: 720 lumens, 65 watt halogen replacement uses only 9 watt. Use 90% less energy compared to CFL, incandescent and halogen bulbs DIMMABLE PANEL LIGHTS: 110V Dimmable panel lights, compatible with silicone-controlled rectifier type dimmer. No fliker and no dazzling, CE & ROSH & FCC Approved LONG LIFESPN: Super bright SMD3528 Leds, over 50,000 hours, great reduce the hassle of frequently replacing your light bulbs in high ceiling, 2-Year Free Warranty 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 PERFECTLY MEET YOUR NORMAL LIGHTING NEED: 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 Upgraded Material: Die-cast aviation aluminum , great heat dissipation; Intelligent constant current driver, good surge protection, fireproof, safe and durable. Uniform Soft Light Effects: Sideways emit light, through the light diffuser and guiding plate create uniform and soft light effect, that is pleasant on the eyes with flicker-free. Convenient Install: Spring clips assembled, remove your troubles to install the clips than other brands. What&#039;s more, each panel lamp we added 2 Wiring Caps to easily wire them to 110v power cable. 3000K: Used in family, hotels, coffee shops and other warm and sweet environment 4000K: Used in home where need a neutral white lighting atmosphere 5000K: Used in office, working area, shopping mall and other commercial place where need cool white bright Home (about 90-150lux): 6W: 5pcs; 9W: 3~4pcs; 12W: 2~3pcs; 15W: 2pcs; 18W: 1~2pcs Office or Commercial: (about 180-240lux) : 6W: 9pcs; 9W: 6pcs; 12W: 5pcs; 15W: 4pcs; 18W: 3pcs Turn off the home power Cut a appropriate hole on sheetrock according to product cut-hiole size Connect the transformer to the 110V power supply (AC voltage design, doesn&#039;t matter which lead connect to hot and neutral wire) Pull up the sprinng clips and put the panel hook on the hole Adjust the panel to stick the ceiling tightly. 1. According to the max load capacity of the dimmer to install appropriate quantity in one dimmer switch. 2. Recommended to increase the number of 10-20% of product to meet the product illumination, if the installation height over 8ft.