This HPS bulb is only 150 watts, which is perfect for the smaller grow area as less heat is emitted compared to larger bulbs.
150 W, red / yellow light for flowering plants
E40 Fitting
Draws only 0.63 amp
Reduced power consumption, uses a fifth when compared with the 600w ballast
High lumen output
Low bulb temperature, reducing the need for high volume cooling fans
Added stability for the environment
Full RF filtration
No need for costly contact/relay controllers
perfect for small areas
Low heat
Please note that this bulb needs a 150 watt ballast to light up.