Meet CompactPRO from Seek Thermal: a tiny gadget that connects to your iOS or Android smartphone and turns it into a thermal imaging camera. The Seek CompactPRO weighs less than 0.5 ounces and features a thermal sensor array of 320×240 pixels. It has a broad object temperature range of-40°F to 626°F.
The CompactPRO has an adjustable lens and a 32° field of view. The battery life lasts 4+ hours. The device has adjustable thermal span, level, and emissivity settings. Costs $499.