Before first useColorful LED Candle - Promotion gift: Remove the security strip from the battery compartment. On and off, please use the ON / OFF switch bottom of the candle.Replacing the batteries (type CR2450 is required): Open the lid on the bottom of the candle.Remove and replace the old coin cell it with a new The "+" pole of the cell has the button facing up Show. Close the battery compartment with the back.Use and Care: The candle ( candle promotional gift) must not come into contact with water.Apply to the use of household indoor air. For maximum durability, you should turn off the candles no use for. Avoid that batteries come in contact with water or fire. The button cell is not rechargeable. Empty batteries must not be disposed of with household waste disposal should be via trade or the place specially equipped collection. Through misuse of the batteries may cause damage, so avoid rough handling.Attention: Thecandle promotional gift isn’t a toy, suitable only for decorative purposes!