Osram LED value Stick LED Lamps with E27 Base screw 12W Cool White 4000K Product benefits LED lamps with innovative TruWave Technology Support sleep/wake cycle thanks mimic of the natural light spectrum The balanced blue light spectrum can support attention, reaction time and mood Low energy consumption Attractive lamp appearance Areas of application All domestic rooms, especially where the lamps are visible Wherever compact and efficient lamps are needed Where the lamps need to last a long time or have to withstand frequent on/off switching Product features LED alternative to conventional lamps Input voltage: 220?240 VAC Color rendering index Ra: ? 80 Lifetime: up to 15,000 h Mercury-free lamps