The LED candle gives a cosy flickering light like a real candle. It is a safe alternative for homes with children, and can be used as a decorative light anywhere without the risk of fire.Convenient and easy to use, since the built-in timer automatically turns on the light at the same time every day and then makes it shine for 6 hours.The LED light source consumes up to 85% less energy and lasts 10 times longer than incandescent bulbs.Since they are also approved for outdoor use, you can decorate your patio or balcony with the lights.Batteries are sold separately. IKEA recommends PLATTBOJ lithium battery CR2032 3V (6 pcs). 6 pcs required.Approved for outdoor use.The built-in timer is pre-set for the light to stay on for 6 hours. It will then automatically turn off for 18 hours before it turns back on again.PLATTBOJ lithium batteries CR2032 3V give 70 hours of light. It will last approx. 12 days if used 6 hours per day.Built-in LED light source.LED life time approx. 20.000 hours.Light colour; warm white (2500K Kelvin).