900 sustained in an ice bath maybe. Take from the review below “Without any cooling or heatsinking (air, hand) the maximum sustained output is below 300 lumens if you want to keep the surface temperature below 50°C.”
900 sustained in an ice bath maybe. Take from the review below “Without any cooling or heatsinking (air, hand) the maximum sustained output is below 300 lumens if you want to keep the surface temperature below 50°C.”