Holiday Return/Exchange Policy: For customers who purchase between now to December 25th, we will automatically extend the return/exchange date to January 31st. No restocking fee, no question ask, hassle free return. Gem Refractometer with External Light Source, Gemological Gemstones Portable refractometer with easy to read viewer and scratch resistant lense with a rugged metal black or silver case. Measures Refractive Index (RI) from 1.3 to 1.81. 15mm eye piece and polarizing filter. Refractometers are tested for calibration at the factory, and again by us before we ship them to you. Minimum division: 0.01 Accuracy +/- 0.02 Size: 115 x 35 x 63 mm Weight: 12 oz Includes protective carrying case Instructions for use Polarizing Filter Monochromatic Light Filter Flashlight Light source(Operate with 1 AA battery) Refractometer Index Reference List (For 77 common gemstones, i.e. Calcite, Jadeite, Quartz etc.) Optional Light Source, Can Be Purchased Separately. Payments are accepted through Paypal. We ship through USPS Priority Mail from Oregon, west part of the country should receive in 1-3 days,middle part and east part of the country should receive in 2-4 days! International: We charge the same shipping cost to all our customers worldwide(same shipping cost worldwide). Our default shipping is United State Postal Service First Class mail, it take 5-10 business days for delivery. we also offer faster shipping EMS which take 3-6 days. Handing time: 1 business day. For payment received before 14:00PDT, it will ship in the same day. We do Combined Shipment on any multiple purchases. We are pleased to grant a20% discount on the shipping cost of purchases more than item. Please feel free to contact us for discounted shipping costs when you buy multiple items from us. MyStoreMaps improve local and international sales. We strive to offer the best price and the customer service. We promise to our customer this item is 30 days same like cash. We carry the life time warranty for the scopes we sell. If you don't like this item, we will issue a full refund including the shipping cost to you without asking any reason. Our goal is to place a profit margin of $1 ~ $3 per item and sell in volume. As such, the more you save the more we make. While the others are selling 1 item, we are selling 10 ~ 20 items due to our price reduction. Please use the "Ask Seller A Question" button. Please allow up to 24 hours for a response. Usually the buyer will get response in 6 hours. Track Page Views With Auctiva's FREE Counter