HIK Vision Vulkan 15mm 35mK Smart Thermal Monocular The HIK Vision Vulkan 15mm delivers a high-quality thermal image and packs a host of features normally reserved for high-end thermal spotters. The high resolution 384 x 288, 17µm thermal sensor (35mK NETD Rating) and HIK software delivers a detailed image to the screen. The WiFi and dedicated app allows you to take complete control of the unit's settings and features from your smartphone. 35mK NETD Rating = One of the most sensitive sensors available on the market, detecting even the smallest temperature differences! IP67 rating guarantees a robust chassis capable of repelling dust and rain, protecting you from the worst of the weather. This is all backed up by a 3 year UK warranty.