The motion sensor stair lights can be activated detection angle of 120°. Battery-operated motion sensor light indoors provides soft illumination for up to a year by using high-efficiency energy-saving SMD to replace the normal LED. With double-sided adhesive pads or screw-on walls 2 ways to install.

https://hokolite.com/products/200-lumens-led-battery-motion-sensor-stair-lights-6pack