Compatible with all RMSc footprint slides or easily installed using the included 1913 Picatinny rail mount adapter. The housing is made from 7075-T6 aircraft aluminum, and MilSTD 1200g shockproofing and IPX7 waterproofing (30 minutes at 1m) are built in for real-world ruggedness. Your bright LED emitter is sealed between two coated lenses to protect it from dirt, moisture, and lint. Projects a 3MOA dot with ten adjustable brightness levelseight for daytime use and two night-vision-compatible settings.