Achieve faster target acquisition with the new easy-to-see Green reticle that is approximately 6X easier to see than red in daytime. The EXPS2-GRN also maximizes rail space with its compact size and allows for co-witnessing of iron sights. It has convenient side buttons to add a magnifier and features an adjustable, locking, quick-detach lever for easy attachment and removal. Product Specifications L x W x H: 3.8 x 2.3 x 2.9 WEIGHT: 11.2 oz (317.5 g) WATERRESISTANT: To 10 ft. (3 m) COLOR/ FINISH: Black MOUNT: Quick-detach lever fits both 1 Weaver and MIL-STD-1913 rail BRIGHTNESS: 20 settings BATTERY LIFE(AT ROOM TEMP.): 600 continuous hrs at nominal setting 12 RETICLE OPTIONS: 68 MOA ring w/ single 1 MOA dot