Electronic push button timer switch for 10, 20, 30 and 60 minute timed operation of an exhaust fan. It provides convenient timed control of bathroom fan exhaust in residential and light commercial application. The timer allows users to simply press and hold the top button to initiate override or press and hold two buttons to convert the 60-minute timer into other available time intervals. It has soothing green LED locator lights and offers three colors for the buttons (white, light almond, ivory). Fits standard single gang box.