Remote Control & PIR Motion Sensor: the solar outdoor lights is equipped with upgraded infrared digital motion sensor Induction sensitivity increased by 50%; remote control to switch to 3 modes, automatic lighting by detecting moving objects through PIR motion sensing system. Mode 1: Turn on High Light for 20s When Motion Is Detected, Turned off after People Left. Mode 2: Turn on High Light for 20s When Motion Is Detected, Turned to Dim Light after People Left. Mode 3: Turn on the Dim Light for 4 Hours at Night, Auto Switch to Mode 1 after 4 Hours, Different lighting way for your daily requirement.