If daylight is poor, just open the green battery compartment flap and the LEDs will start shining. 30 times enlargement. Bag includes tweezers, three microscope slides, cover foil, four compound capsules, 1 microscope sample "grass hopper", 1 microscope sample "textiles", microscope casing made of plastic, bag made of neoprene with aluminum carabiner. Microscope height 14 cm. Batteries not included.