!! Attention the article is no longer available !! The Keiler-20 Gen2 handheld thermal imaging device offers a range of 650 meters. The image reproduction of 50 Hz enables flicker-free viewing pleasure. The detector has a resolution of 384 x 288 pixels. A color LCD monitor was also installed. The field of view is 19 x 14 °. The optical zoom is 1,6x, the digital zoom can enlarge the heat sources with 2x or with 4x. Power is supplied via the built-in lithium-ion battery, which is sufficient for 5 hours of continuous operation. A video cable is also included in the scope of delivery in order to be able to connect an external monitor or an external recording device.