LED Backlight LED Microscope Pocket Microscope Magnifier for Natural ObservationFeatures: Magnification times: 160-200 times (can be adjusted). With LED backlight, a pocket microscope magnifier. Made of high quality ABS, durable and long service. Object Working Distance: 24.3mm. Suitable for antiques, stamps, textile fabric, natural observation, etc. Specification: Material: ABS Size: 83x35x2 0mm/3.27x1.38x0.79in Magnification Times: 160-200 times (can be adjusted). Object area: 4.4mm. Object working distance: 24.3mm.Ca Hole path: 80mm.Hole diameter: 0.1mm. System focal length:-6.25.Ambient temperature: -20-50C.Measuring range: 0 - 1mm. Measurement accuracy: le; 1%. Package Included: 1x LED Microscope3x Battery ButtonNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.