Battery-operate, requires 3 AA batteries (not included), remote capable(remote included) 2 4 6 8 Hours Build-in timer provides automatic shut off. Build in and remote capable timer function(if you turn it on under 6 hours timer mode at 3 PM, it will turn off at 9 PM and turn it on again 3 pm the next day) You can chose flickery mode and control the intensity of light, rang of remote control is around 5 meters 10 inches wire and 40 LED bulbs, 3AA batteries could last approximately 30 hours. [Promise] --- Any question, just feel free to contact us; we have a professional team to solve your question. If you do not like the item after receiving it? Take it easy, you can make a full refund. indoor christmas tree ceiling flameless timer