[This product is SVD 1X30mm red dot sight. Red Dot Scope Sight with Side Mount Rail. Mount can be adjusted by supplied tools. Anti-reflective fully multi-coated lenses provide bright and clear views for the user. Completely sealed and nitrogen filled for waterproof fogproof and shockproof performance. Shock tested to 2000g. 100% fogproof waterproof and shockproof.]
