... protect environment..No noise, no glimmer, no disturb for household appliance2. Specifications: Trichromatic lamp.Available Voltage and ... Lamp Base type: Base: iron and copper, alum for choosing in E27, E26, B22 ,E14 .Color tempreture ... PBT 3. Testing& Lifetime: .Testing: 3000 times for on and off testing, Aging test, Twisting force testing ... business together! energy saving lamp with CE/ROHS approved