The Philip Harris B-20R Monocular LED biological microscope is a high quality microscope with easy to use controls making it suitable for all manners of microscope work from basic introductory use at Key Stage 3 to the end of Key Stage 4. The microscope has a WF10X/16mm eyepiece which can be removed to allow the insertion of an eyepiece reticule or eyepiece micrometer when necessary and is capable of magnification of up to 400x. The white LED has adjustable brightness and the microscope is rechargeable so that it can be used in practically any situation.Accessories included:Rechargeable batteriesPower supplyDust coverInstruction manualAccessories available to purchase separately:Film Reticles (B8R0955)Stage Micrometer (B8R07970)Alcohol-free Antiseptic Wipes - for cleaning eyepieces between use (B8R08715)Lens Cleaning Tissue (PP00052867)Microscope Maintenance Kit (B8R07243)Technical Specifications:Total magnification: 40x 100x 400xEyepiece: Wide Field 10x/16mmHead: 360° rotating head with 45° inclined eyepiece tubeNosepiece: Triple rotating in both directions with objective click locking systemObjectives: Anti-fungal treated Achromatic 4x 10x and 40x (telescopic)Stage: Movable 90mm diameter 5mm moving range and slide clipsFocussing: Separate coarse and fine focussing knobs with different axis with focus tension adjustmentIllumination: White LED with brightness control and rechargeable batteryVoltage: 220V 50HzDimensions: (H)322mm x (W)140mm x (D)182mmWeight: 1.7kgAge Suitability: 11-16 years