4″ and 6″ battery candles with 6 hour timers. Twist bottom closed to set timer. 6″ uses 2 AA batteries, 4″ uses 1 AA battery ( batteries are not included) candles are tested before shipping.
6″ size is used for windows, 4″ size is usually placed with a decorative display. Holders sold separately. Candles will fit into any standard candle holder.