LED Wax Candles Color Changed with Timer & Remote Control Christmas Day Gifts(1) 3pieces / lot Size of the 3 Candles: 5*6cm5*7cm5*8cm1 inch =2.54 cm; 1 cm =0.39 inchplease make sure it is the suitable size for you before ordering. Thank you.(2) Each Candle is powered by 3pcs CR2032 batteries， which can offer 10-20 hours working time. If the battery power is drained up， please replace it by yourself， then it can work normally. (3) If your remote control can´t work， please take out the remote control battery and re-install it， sometime the battery connection problem occurs on the remote control.