Fyri™ Wireless Round Motion Light is a wireless and motion-activated light that does not require batteries or holes in the wall. The Fyre lights turn on when you walk by and turn off when you leave. Snap-on and off to take it with you or for a recharge. Its LED technology allows an energy dissipation percentage of only 0.03%, the lowest in the world. On an average of 8 activations per day, these lights will last up to 3 months of usage.