... ,color temperature: 6400k/2700k5,CRI> 806,PF >0.557,package: Standard Export color box, or blisterHeat Ranges:White - 5000-7000 K ... environmental protection requirents.2. Up to 80% energy saving than standard incandescent lamp3. Long life time: Average life time is 8000 ... , table lamps, wall lamps, ceiling lamps. T2 Spiral Energy Saving Bulb 5w-20w