I purchased this to have a house builder install it in a new house, but I decided not to use it at the last minute, so I am selling it. It is unopened, but as you can see in the fourth image, the installer wrote numbers on it. It has a switch and is easy to use. Quoted from the following site: LED installation required LED (Warm White) Equivalent to FHF24W LED Body: Aluminum, white paint Shade: Polycarbonate, white Top and bottom shade: Polycarbonate, milky white ● On → Off ● Height-50 Width-25 Total length-900mm Weight-0.7kg ● Power consumption: 16.6W ● Rated luminous flux: 1250 lm ● Energy efficiency: 75.3 lm/W ● Color rendering property: Ra90 ● Color temperature: 3500K ● Luminous flux maintenance time: 40,000 hours ● Dimming range (approx. 1-100%) ● Fall prevention mechanism ● Compatible dimmer sold separately (for reverse phase dimmers only) ● Please pay attention to the position of the power supply hole. ● 18VA (100V)