When the doorswitch is closed (car dooropen) thevoltageon pin8slowlyrisesabove thenegativepeaksofthe triangle waveproducing ashortduty cycle outputandadimlight.
They can be programmed to automatically dim the lights on sunny days or switch on the a.c. for an employee's cubicle when he swipes his ID badge at the front door.
For maximum runtime the switch is held down for ten seconds, activating the light in dim mode and producing a mild 1.3 lumens of light with an extreme runtime of 480 hours.