Telos thermal imaging monoculars are designed for use both at night-time and during the day and provide exceptional image quality even in adverse weather conditions (fog smog rain) and beyond obstacles like branches tall grass dense foliage etc. known to hinder target detection. Unlike night-vision devices based on electron-optical converters thermal imaging devices do not need an external light source and are resistant to bright light. Telos thermal imagers are designed for various applications including hunting observation security terrain orientation search and rescue operations etc. IPX7 waterproof.