*Ceiling recessed COB led downlight* Epistar/Osram SMD, Birdgelux /Osram COB Led chip* Constant current led driver, Triac,0~10V or DALI dimm option* Instant start, no flickering, no humming, no electric wave* Aluminum reflector glass for COB chip* Aluminum alloy housing, nice heat dissipation* Color Temperature: warm white, nature white, day white* Less than 3% light decay in 10000hrs testing, SDCM≤3* Operating temperature: -25ºC~55ºC* Long Life span up to 30,000 hoursSpecificationsApplication