Excellent functions of waterproof, mold proof, compressive strength, dust prevention. Widely used in aviation, outdoor photography, field investigation, scientific exploration and many other fields. Excellent shockproof, waterproof, dustproof function. Anti-self-opening safety lock, easy to open and lock. note: The actual product may have slight color differences or differences, which does not affect use. size: External dimensions . 220 x 168 x 100mm Material: plastic colour: Black Package Contents: 1 x Safety Protector Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.