Half spiral energy saving light,can save 80% energy,much brighter, 8 times longer incandescent lamp Half Spiral Energy saving lamps(CE,ROHS certificate)1) Color temperature:2700k/6400k2) Voltage:110-240v3) Colour index:Ra804) Base:/E275) Tube Dia.:7MM6) Watts:12/15/20/25W7) Plastic:PBT/PC8) Lifetime:3,000-10,000hs9) Tube powder:Tri-phosphor,mixed10) MOQ:3000pcs11) Warranty:1 and half year