The Flir Scout PS24 infrared thermal night vision camera has a thermal resolution of 240x180, 7.5hz refresh rate, and a maximum range of 350 yards. The PS24 includes a freeze frame feature, an internal mini-flashlight that can be activated when the unit is off for stowing and retrieving, military stand white-hot and black-hot displays, and 4 levels of Instalert™ which colors certain temperatures bright red. This thermal imager is one of the most affordable and most compact ever. FLIR Scout PS24 240X180 Thermal Camera 431-0008-01-00S