... , 3W to 250W Power;.Lamp Base type: Base: iron and copper, alum for choosing in E27, E26, B22 ,E14 .Color tempreture ... testing; lifetime: 4 years (8000hrs)4. Working temperature: -10 ~+50°C 5. Pricing& Delivery Terms:.Place of origin:Xiamen,China.FOB ... Port: Xiamen,China.Payment Terms:T/T,Wire transfer; L/C.Devery time:Usually 3 weeks after payment confirmed,ship ...