1. When a laser beam pass through this grating mirror, it will splits into many points, pass through another layer to split thouse into thousands points, which to fill your room.
2. Diameter of mirror is 7-8CM, avalible in One-dimensional orTwo-dimensional grating, With motor forward or rollback.
3. Beam mirror refector for laser upto 2W, twinkling effect, 1D effect, direct reflection.