heights tone and Safe Assurance This hollow housing is UL listed, which mean this can have a ultra-high tone and prophylactic assurance in operation. It perdurable aluminum construction, so the product can be use for a tenacious period. There is a hot switch included, it auto power inactive when overheat and auto recover when cooling system down, which can ensure the fixture not overheat. Air Tight Design + IC Housing The lighter can have IC housing and air tiddley design, which can prevent hot airflow diffusion to aviod the dust enter your house, It can be directly with hot insulation and ignescent material. This is for most kind of ceiling. Wide and Easy Installation This product is 4-inch remodel hollow can, which can well-matched with LED down lighter. It a TP24 connector, which can be directly abutting with LED down lights. The deep-set housing 4-wire push-In connector in junction box, it is painless and solid to install in ceiling. : Please remove the ROUND template sticker from the sticker sheet -LRB- included in package -RRB- and paste it to desire cutting point as a cut-out size guide. Warranty Comes with 2 years product warranty for customer 's rights and benefits, satisfaction. Our In TorchStar, our goal is to provide superior energy-saving lighting products for our customers with low-cost price. With the expertise in the LED technology, our not sole choice in performance but also make your lighting experience more gratifying and snug anytime, anywhere. : congruous floodlit type : LED down floodlit Material : Aluminum Voltage : 120V .