Fast Shipping From Texas DJI Inspire 1 Part 39 Vision Positioning Module PRODUCT HIGHLIGHTSEnables Fixed Hover without GPS Signal OVERVIEWThe Vision Positioning Module for Inspire 1 Quadcopter from DJI provides an alternative means of fixed position hovering in situations where GPS is unavailable. It relies on a combination of a vertically-oriented camera and ultrasonic waves to keep the aircraft locked over its target.Frequency50 HzVelocity RangeBelow 26.2 fps / 8 m/s (6.6′ / 2 m above the ground)Altitude Range2 to 196.8″ / 5 to 500 cmOperating EnvironmentRich pattern surface with adequate lighting (> 15 lux)Operating Range0 to 8.2′ / 0 to 2.5 m ** Free Shipping *** 1 Business Day Handling Time *** 14 Days Exchange *** Bid With Confidence ** Please verify your address during checkout. We are not responsible for any wrong or undeliverable address. We understand timely delivery is one of the most important factors for our customer satisfaction. We process our orders every business day*.*Our Business Day: Monday to Friday every week, exclude official USA holidays (New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day)*We process our orders at 9am every business day. Orders received after 9am will be processed in the next business day.Order TypeShipping MethodEstimated Delivery Time (within the 48 lower states)InternationalFree ShippingUSPS Parcel Post/Parcel Select or similar service3-20 business days Over 20 business days (Contact us for replacement)Shipping method: USPS first class international package. (With tracking number, tracking won’t work after package left the USA) Estimated delivery time:Depends on the buyer’s location. Each country has different processing time in their custom office and located post office’s delivery time may vary. Typical delivery time from 5 business days to one month, but it could take up to two months.First Class ShippingUSPS First Class Mail with tracking(in bubble mailer)2-5 business days (90%)5-10 business days (9%)10-15 business days (1%)Over 15 business days (Contact us for replacement) Priority Mail ShippingUSPS First Class Mail with tracking(in bubble mailer or box)2-3 business days (90%)4-10 business days (9%)10-15 business days (1%)Over 15 business days (Contact us for replacement) Return Policy: 14 days return / exchange. Return shipping paid by buyer. If buyer return due to order mistake or any none product quality reasons, a 15% restocking may apply.($1.99 minimum) We accept PayPal only.If you are paying through Paypal using e-Check, note that your item will be shipped only after e-Check has been cleared.