Super Smart Motion Sensor & Dusk to Dawn Sensor: Equipped with advanced PIR motion technology and IC light sensors, these outdoor wall lights turn on automatically at 25% brightness at dusk. They switch to full brightness once motion is detected and stay illuminated as long as movement continues. The lights return to dim mode after 2 minutes without motion and turn off automatically at dawn. Moreover, their wide detection range of up to 40 ft and 220° angle make them incredibly convenient to use Economical A+ Mode: Are you afraid of high bill caused by lights keeping on during night? Take it easy, weve upgraded the motion patio wall lights with A+ mode. Turn the wall switch "off-on"TWICE within 2s to change into auto+ mode from auto mode. At dusk, the porch wall light will auto-off(0% brightness), turns to 100% brightness once motion is detected, and stays on as long as motion continuing, then auto-off again after 2mins without movement, sharply save your money but also convenient