Mr.beams, 2 pack, net bright path lights, 30 lumens, motion sensing, auto shut off 30 seconds when motion is no longer detected, when any 1 light detects motion, all other path lights & spot lights within 150' & on the same network turn on at the same moment, radio waves activate the network allowing the signal to pass through walls, light coverage is 180 sqft per light, built in glow mode from dusk to dawn & then lights to full light with approaching motion, takes 3 "c" alkaline batteries, not included.