1, 3W LED ceiling lamp 2, good quality LED flash chip 3, no UV&IR, no hazard 4, RoHS, CE, RS 3W LED ceiling lamp, replacement of traditional light lamps, widely used in household, market, showcase, stage and museum,etc. 1,working temperature: -20~+45°C 2,storage temperature: -30~+50°C 3,ingress protection: IP20 4,high emitting efficiency 5,working liffe: 50000 HRs Details of technical parameters: ...