This cordless LED monocular biological microscope is designed for both indoor and outdoor applications. With the versatility of a rechargeable battery operated system and an adjustable rheostat light intensity control, you can use this model as either a portable field-use scope on battery power, or plug it into a wall outlet for traditional classroom use with the AC adapter/recharger. This microscope offers sharp clear images, cool illumination, six magnification levels (40X, 80X, 100X, 200X, 400X and 800X), and freedom from cords. It comes with a 45 degree inclined 360 degree rotatable monocular head, coarse & fine focusing, intensity-adjustable LED illuminating system, three rechargeable AA batteries and an AC adapter/recharger. This durable and reliable microscope is a perfect instrument for students and hobbyists to learn science. Features : A great rechargeable cordless LED monocular biological microscope Versatile rechargeable battery operated system AC adapter/recharger for wall outlet for traditional power supply Adjustable rheostat light intensity control Great for both indoor and outdoor applications Easy to be taken out to field sites Powered by either direct wall power supply or rechargeable LED system Intensity-adjustable LED cool illumination system 3-LED, three rechargeable AA batteries and an AC adapter/recharger included 45 degree inclined 360 degree rotatable monocular head Large plain stage with clips and stain resistant finish Separate coarse & fine focusing Fully coated optical system with high resolution Crystal clear sharp images High quality student microscope Perfect for up to high school students Six levels of magnification: 40X, 80X, 100X, 200X, 400X and 800X Upward stage stopper to protect slides and objectives Single lens condenser and disc diaphragm Focusing control knobs on both sides Three DIN achromatic objectives One (WF10X) eyepiece included Full optical glass elements Precise ground glass lenses All metal mechanical components Rugged metal frame with stain resistant enamel finish Manufactured under ISO 9001 quality control standard Excellent five (5) year factory warranty Unbeatable low price guaranteed or the difference back! Satisfaction guaranteed or your money back!   Specification : Nosepiece: triple Head: 45 degree inclined monocular Wide-field Eyepiece: WF10X & 20X Achromatic Objectives: 4X, 10X, 40X (spring) Stage Dimensions: 4-3/8" x 4-3/4" (110x120mm) Diaphragm: disc Focusing Control: rack & pinion Illumination: LED bulbs, cool (no heat release) Accessories: dust cover Microscope Dimensions: 7-1/2" x 5-1/8" x 15-0"   Packing List : One Microscope Body with Monocular Head Four Achromatic DIN Objectives: 4X, 10X, and 40X One Widefield 10X Eyepiece One Widefield 20X Eyepiece Three Rechargeable Batteries One Wall-Power AC Adapter/Charger One Pair of Clips One Dust Cover One Wrench for Tension Adjustment Shipping Weight: 9 lbs