... safty * Ra: 85 * Power facter: 90 * Environment condition: -20 to 60 Celsius * Life span: 30000 hours * IP: 20 * CE, RoHS compliant ... *Opening diameter(mm): Dia 35, Dia 45, Dia 50, Dia 55, Dia 60, Dia 63, Dia73, Dia 78, Dia 75, Dia 95, Dia 110, Dia 125, Dia 145, Dia 170, Dia 200 LED downlight Production ...