i'm afraid there wasn't much else given in the way of technical data - not anything like the specs the give you when buying 'normal' lamps / lights...

from what i can tell, there's an output of 3200 lumen from 35 watts (91 lumen / watt) at a colour temp of 6000. no idea on the PAR rating.
willystylle Reviewed by willystylle on . xenon headlamps - what am i missing? Apologies in advance for the noobness of my question. So i'm doing research into the optimum lamp / price ratio for my first indoor grow, and i started wondering if HID (xenon) headlamps would be a viable alternative to *standard* HID lamps... i copypasta'd this FYI: Xenon Bulb Specification: Power consumption: 35watts Luminous flux: 2200~3200 Service Life: Up To 3000hrs Mercury purity is 99.999999% Waterproof and vibration resistant Quartz glass of silicon dioxide for headlight Rating: 5