A new design with reverse rev. Practical biological microscope. Product Number: M9234 Product Name: KML Total Magnification: 40x - 400x Objective Lens: 4x 10x 40x (with loosening device) Eyepiece: WF10x Mirror Type: Monocular Head Tilt Angle: 45° 360° Rotation, Illumination: 100V, 10W Tungsten Lamp Height: 300mm Width: 140mm Weight (main unit): 1 9.8 lbs (4 kg); Comes in a wooden box.