CH6217 adopt high-quality LED chips, entire light efficiency is up to 80lm/w. 90% energy was saved compared to filament lamp. built-in wide voltage (AC85-265V) constant-current power supply, conform to CE,RoHS,etc. Effective life of whole lamp is up to 35000 hours, which is 30times more than common filament lamp. Replace the traditional filament lamp or energy- saving lamp.