Kestrel Instruments are designed and built right here in Pennsylvania, USA. All Kestrel Meters and Kestrel DROP Bluetooth Data Loggers include a full 5 year factory warranty, are durable, waterproof and float. Weather Republic has been selling Kestrel Instruments for over ten years. We have risen to become the USA's top factory authorized dealer and stock all Kestrel Instruments. This allows us to ship faster than most large internet retailers and being a small business, every order is important to us. We ship 99.95% of our orders within 24 hours of receipt. If you have any questions, feel free to reach out to us!