Candle Choice Set of 4 Indoor and Outdoor Flameless Candles with Timer (LED Candles with Timer, Battery-operated Candles with Timer) Build in 4-hour on/20-hour off and 8-hour on/16-hour off automatically daily timers. You can set one of these two timers. The candles turn on and off automatically every day. For indoor and outdoor use. Can be used outdoor but not designed to withstand heay rain. No risk of fire, no fume and no wax mess. Safe around home, children and pets. Looks like a real candle and flickers like a real candle Long Battery life, save your money on batteries.