The hybrid street light is available in 20 W, 40 W, and 60 W versions. “The light-dependent resistor (LDR) in the street light enables an automatic switch on/off.

Inventor from Telangana's Warangal district creates Light Dependent Resistor to save power. Witnessing its success, over 2,000 LDR devices have been set up in 600 gram panchayats of Hanamkonda, ...