Abstract: An indoor lamp and electronic circuit unit that may function in either an automatic mode or operate as any other normal lamp with manual control. When operated in the automatic mode the said lamp unit will turn on in response to a predetermined local ambient light level. The light level is detected and processed via a photo-transistor and electronic circuitry. Once the said lamp units light turns on the light will then remain on regardless of the light level detected by the said photo-transistor for a specified period of time. After this time has ellapsed the lamp unit will turn off. The process may begin over if the local ambient light level is again below the predetermined level. When operated in a normal or manual control mode the said lamp unit will turn on or off only in response to manually operating the lamp units switch.