Light switch mode: Mechanical switch + Light control(Dusk to Dawn) + Time control + Remote control. 2. Remote control L, T, U, M four light modes OFF: No matter day or night, light "OFF" DEMO: No matter day or night, light "on" for 1 minute.  L: At night,12hrs full power. T: At night,4hrs full power+8hrs25% U: At night,4hrs full power+8hrs motion sensor control. M: At night,12hrs motion sensor control. Note: After press "OFF", The light off and won't on anymore. please press "M" to resume, it will working with "M" mode again.