Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•For 44-47mm eyepiece of the microscope and telescope.
•Magnification Ratio: 500X & Under. Model Number: Eye Cups.
•An essential microscope accessory . is a practical accessory, easy to install.
•Please contact us directly for immediate assistance if you have any problem with our product, we would be very pleased to help you and we will reply as soon as we can.