... Parameter: ItemUL-DA03 Power3w Equal to CFL 9W Lighting SourceSMD3528 LED LED Chip Quantity3pcswarranty time2 years Dimension 90*48mm Working Voltage DC86V ... under temperature 50 degrees celsius, high luminous efficiency of single LED.3. long life-span: 50,000hrs, 6 times longer ... crystal lamp, Mirror lamp, Bedside lamp, Ceiling light, etc. square recessed led ceiling downlight 3w (CE ROHS FCC GOST-R)