Size: 7 x 3.7 x 2.5cm10 functions in a compact toolFlashlight、 compass、 thermometer、 whistle、 mirror、 magnifying glass、 and moreGreat as a party favor and adventurous kidsHandy for Hiking、 Camping、 Spelunking、 etcThis compact tool has 10 vital functions packed into one tool. It acts as a thermometer、 hygrometer、 mirror、 compass、 level、 magnifying glass、 ruler、 LED light、 whistle、 and a flint fire starter! 2 button cell batteries required、 included.Start living your life like a true survivor man with this tool.Package Content:1 x Multi-function Survival Tool