Check the listing for details. 90-240V 28 LED Lamp Beads Angle Brightness Adjustable Microscope Llight Source. Listed at 56.80 USD. AC90V-240V 28 LED Illuminant Adjustable Angle & Brightness Oblique Light Source for Stereo Microscope Description Feature: Input voltage: AC90V-240V Output voltage: DC12V Maximum output power: 3W Brightness adjustment range: 10-100% adjustable Lamp head material: aluminum alloy Number of LEDs: 28PCS Shipping Items are normally shipped within 1-2 working days of receiving (cleared) payment and will be shipped by air parcel to worldwide. We do offer combined shipping discount if you pay all together.The shipping & handling fee includes packing, warehouse and distribution costs, not postage only, these are non- refundable.The estimated shipping time is about 10 to 20 days to arrive buyers' location. All items will only be shipped to the address you registered with PayPal. please make sure yourshipping address on Ebay is correct BEFORE placing your order. Contact Us Your satisfaction is important to us. If you are not satisfied with our products/services, please contact us BEFORE leaving us any neutral or negative feedback. We will try our best to resolve any issue. If you satisfied our items and service, hope you could leave a positive feedback with all stars for me. We are using the automatic eBay Feedback system which would automatically leave positive feedback after receiving positive feedback. You can contact me if you have any questions. Our Business Hours（Beijing）: 8:30A.M.-5:30P.M. Mon-Sat