PROduct category 1-8×28IR · MAGNIFICATION: 1X-8X · OBJECTIVE LENS DIAMETER (MM): 28MM · TUBE DIAMETER (MM): 34MM · LIGHT TRANSMITTANCE (%): 98 · ILLUMINATION: Red/ Green 5 levels · PRODUCT WEIGHT (G): 570G · Length(MM): 272MM · Shockproof (G): YES/1500G · Waterproof : YES