... 2.76inchColor Temp2700K-3200K,4000K-4500K,6000K-6500KAmbient Humidity10 to 85% RHPower Factor>0.55Beam Angle38degree,45degreeIP ratingIP55Luminous Flux960lm ... .Instant start without delay, no flashing,harmeless to eyes.3.Solid State, shockproof,easy to ship and low maintenance cost.4. Long ... lifespan,up to 50,000hours,last over 11 ...