Mr. Beams MB280 ReadyBright Wireless Power Outage LED Whole House Lighting System High Efficiency and Energy Saving Design : Dustproof; transparent PC material, corrosion resistant, cost resistant, aging resistant, more durable; free from time and space constraints. Low power consumption and energy saving. If you get a set with 8 tubes cascading at the same time, just plug it for a certain time, it will cascade at random, Because every tube has an individual IC, every tube will fall at random. Automatically detects a power failure and provides up to 40 hours of bright light Simple installation of lighting system (includes 3 path lights, 3 ceiling lights, and detector) Light can be controlled by the remote for maximum safety, convenience and battery life Power outage detector is a remote and a flashlight Auto shut off to conserve battery life and to turn the light off automatically if no one is home