Features a large candelabra base and your choice of warm white or amber LEDs. This window candle will beautify any home during the holiday season. The light sensor automatically turn it on at dusk and off at dawn and the (3) D batteries will last the entire season (up to 45-days). Pick from 3 settings: off, flicker, steady on (no flicker). Now you can have the charm of a real candle in your windows without any of the danger that comes with an open flame and hot wax.