SIGNAL LAMP THAT HAVE INDICATION FUNCTION OF REMAINDER TIME

摘要

PURPOSE: A signal lamp having an indication function of a remaining time is provided to allow a user to install and repair the device by installing a function of displaying a remaining time on a red lamp display unit. CONSTITUTION: A signal lamp having an indication function of a remaining time are composed of a green lamp(G), a red lamp(R), and a remaining time which are controlled by a controller. The remaining display unit is included in the red lamp to display remaining time of green lamp. A power supply unit supplies power according to switching which is controlled by a lamp controller.