... of torch for police, public using. High Performance LED Flashlight LED lamp: CREE P4 LED, US Battery Spec.:3 x C alkaline batteries ... 20,000 LX(defocus 138 LUX), after continuing 147.5 h over 140 LUXOptical Function: extrem zoom from 4x ... waterproof (IP55)Dimension: 150mm* ¢36mmWeight: 407g(including batterys) Patent Led Flashlight,Led Torch,Cree Led P4.Germany technology (CE,Rohs,1 year of guarantee)