Panasonic TB38809 Automatic Time SwitchThe Panasonic TB38809 is a durable and precise automatic time switch designed for reliable time based control of electrical devices. Suitable for applications such as lighting, heating, ventilation, and other timed operations, this mechanical timer offers easy programming with 15 minute intervals over a 24 hour period. Featuring a manual override switch and a clear dial interface, the TB38809 ensures user friendly operation and energy efficient