Candle Choice Set of 6 Flameless Votive Candles with Timer (Timer and Constant On, Two Options), 400 Hours Battery Life Build in 5-hour on/19-hour off timer. The candles turn on and off automatically everyday. Constant on option is available. For indoor and outdoor use. Can be used in hot weather/under the sun, but not designed for wet weather. No risk of fire, no fume and no wax mess. Flickers like the real candle. Unique battery saving technology to save energy consumption. Approx. 400 hours battery time, one of the longest battery life votives you can find in the market