One Elf light covers up to 625 sq. ft. and uses just 5 watts of power - that"s just pennies of electricity per season! Turn your Elf Light on and off from inside your home. Wireless pairing to multiple Elf LightsUses RF technology - no line-of-sight required like typical infrared remotes.Light up your entire landscape with one remote, one touch!Timer Set your Elf Light to turn on and off at the same time every day. Choose between four settings: 2-hour, 4-hour, 6-hour, and 8-hour timerMultiple Light Effects Static and blinking light options Three flashing light speeds. Individual color control! - Display choice of red only, green only, or both green and red.