High Performance HD 80x100 Monocular Telescope BAK-4 Prism: The zoom telescope is equipped with a BAK-4 prism and a fully multi-coated lens, which guarantees excellent light transmission and exceptional brightness. The light transmission reaches visibility up to 99.5%. Built-in low-light night vision helps you see things in low-light conditions. Waterproof, anti-fog and non-slip design The monocular is waterproof with O-rings, waterproof, protects against moisture, dust and dirt and always keeps it clean. The ergonomic design helps you quickly and precisely focus on the target with one hand. The scratch-resistant rubber frame makes it comfortable, non-slip and provides durable outdoor protection for your hands. Easy to Use Comes with swivel smartphone holder and tripod, widely compatible with smartphones . Easy to install and has a variety of usage methods to meet your different needs. Wide ApplicationEnjoy your perfect monocular. Ideal for hunting, climbing, bird watching, wildlife and scenery, concerts, sports, hiking, camping and travel. Products include: 1*High performance monocular telescope 1*Swivel mount 1*Tripod