LFM. Sports Tourism whistle 4-in-1 whistles with compass, thermometer, magnifying glass, whistle. Specification: 8.1*1.7*1.8CM L w h. Material: ABS high strength and high temperature resistant engineering plastics. Weight: 19 G. Color: Army Green. Packing size: 9*5*2CM. Function: compass, thermometer, magnifying glass, whistle. Scope: mountaineering, hiking, walking and other outdoor sports and Tourism. Package Included: 1*4-in-1 whistles with compass, thermometer. Sports Tourism whistle…