Description: 2 lenses for different uses: 10x, 40x, and 1600x magnification observation to meet the needs of biological study. Includes everything necessary tools, collection bottles, collection boxes, etc, perfect and practical. Monocular viewing head with LED, integrated adjustment, easy to adjust focal length, convenient and quick operation. Bright LED lights, the picture is more three-dimensional and clear. Adjust brightness, protect eyes and not hurt eyes. can be connected to mobile phone to watch, support photo and video functions. Suitable for microbial observation, section observation, plant disease observation and insect observation. Specification: Material: Plastic Size: 21.5x13x9cm /8.46x5.12x3.54inch Amplification:100X 400X 1600X Package Includes: 1 Piece Microscope 1 Piece User Manual 6 Pieces Glass 1 Piece Phone Stand 1 Piece 10X Lens 1 Piece 40X Lens 1 Piece Eye Shield 1 Piece Tweezers 2 Piece Bottles 1 Piece Petri Dish Note: LED light source can be turned on if there is insufficient light, and the light source can be adjusted by using LED light source.