LED Window Candles replacement bulbs for our 9133 window candles. Unlike other LED window candle bulbs, our filament is horizontal instead of vertical. This change in direction of the light source helps mimic standard incandescent replacement bulbs better than vertically assembled units. Pack of 4 bulbs. Cool to the touch and energy efficient (0.5 watt bulb) Long-life: 10,000 hour bulb life Warm white LED: approximately 2,700K (looks similar to traditional incandescent bulbs) Lumens: 38-40 Works with all sensor, timer and switch control candle lamps (note: some older candles may flash on and off for the first 30-60 seconds after installation). Safety Tips: Always unplug your candle before replacing or removing bulb. Screw in replacement bulb fully. Be sure that it is aligned straight. 0.5 watt LED bulb (replaces 5 watt and 7 watt incandescent candelabra bulbs) Candelabra base (E12)