Walking in the dark or working under dim light is not a wise choice when you have other options which usually occurs when it’s not easy for you to reach the light switches or there are dead corners for the existing light to go. Adequate light gives your eyes a clearer vision and makes it safer to get up in the dark. That’s the duty of these helpful motion sensor lights. 【Motion Sensor Induction Light】: The motion sensor lights detect changes in temperature (body heat) to decide whether there are living beings. The lights light up the way once you step into the detection area and turn off to save energy 20 seconds later after you walk away. It's always responding to your motion and safeguarding your safety. Detection Range: 13ft Detection Angle: 120°. 【4 switch Modes 2 Installation Methods】: Keep the lights always on or off under the on/off mode or let the motion sensing system decide whether it’s time to light up under the all-day auto mode or weak light mode; the diff