Long-range thermal infrared binoculars are a special type of binoculars that use thermal imaging technology to detect and display heat signatures in the surrounding environment. These binoculars are designed for long-range surveillance, search and rescue operations, wildlife watching, and other outdoor activities that require improved visibility in low-light conditions or total darkness.The thermal imaging technology used by these binoculars allows them to detect the heat signature of objects or living organisms. These heat signatures appear as bright spots against an otherwise dark and cold background. The range of these binoculars depends on various factors such as the size of the target, atmospheric conditions and thermal contrast. However, they can detect objects several kilometers away under optimal conditions. Long-range thermal infrared binoculars are usually designed to withstand harsh outdoor environments. They are usually waterproof, shockproof and dustproof, so they are ideal for use in all weather conditions. Some models may include additional features such as built-in laser rangefinder, digital compass, GPS, and image and video recording. Generally speaking, long-range thermal infrared binoculars are a powerful tool for anyone looking to enhance the outdoors and improve visibility in low-light conditions or total darkness. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!