MB 3.0 Hermes (AC powered) is simply Genius! A combination of smart mechanics and efficient electronics, designed to survive extreme temperatures and harsh working conditions, 24 x 7. Penetrant resistant, with acoustic battery indicator and certified with an ingress protection marking of IP68. Beam profile covers an area of Ø 9 inches / 22 cm and generating an intensity of 4 500 µW/cm2 from 38 cm (15 inches). MB 3.0 Zeus has been tested to comply with ASTM E3022-18, Rolls-Royce RRES 90061, Airbus AITM6-1001, Pratt & Whitney, The Boeing Co, and ISO 3059-12 as well as USAF Requirements. This light does not have white light.