Special lamps with daylight sensor, classic bulb shape. : LED alternative to conventional lamps. Not dimmable. Good quality of light; color rendering index R_a: ≥ 80; constant chromaticity. The integrated light sensor detects daylight level every 10 minutes and turns on/off automatically. : Short payback period thanks to low energy consumption and maintenance costs. Energy-saving lighting solutions thanks to automatic switch off at daylight (> 20 lux). Safety through automatic switch-on at darkness (< 20 lux). Lower energy consumption than incandescent or halogen lamps. Easy replacement of classic lamps thanks to compact design. Instant 100 % light, no warm-up time. : Wherever constant lighting is necessary at night. Outdoor use in suitable outdoor luminaires only. : Do not touch the lamp if broken.. Must not be used if outer bulb is defective..