Beautiful and large Christmas tree lights that are delivered in a 10-pack that is powered by batteries and controlled via remote control. The candles are 16cm high and are attached with a clamp underneath, which makes it easy to place and attach the candles exactly to what fits. If more than 10 candles are needed, it is recommended to buy an additional set " Christmas tree candle 5 LED additional sets" with item no. 1925-100. A total of 22 AAA batteries are not included. Batteries: 20 AAA batteries for the candles. 2 AAA batteries for the remote control.