Battery life in operation: 100 hours at level 2 (day mode)
Operating temperature: -22F to 131F(-30C to 55C)
Storage temperature: -40F to 158F(-40C to 70C)
The EG1's prismatic sight provides a increased accuracy and rapid target acquisition. The shaded 30mm lens with rubber hood provides a wide and crystal clear field of view. The EG1 is unsurpassed in ruggedness and reliability and its easy grip rotary switch can be conveniently operated with a gloved hand. The EG1 provides 1.5 Moa dot size with 15 brightness setting including 11 daytime and 4 nighttime and lasts more than 5000 hours at mid brightness setting.