This whistle is with 7-in-1 multifunction of whistle, magnifying glass, signal mirror, compass, thermometer, small container and white LED light. Portable and easy to carry with rope, will be a good assistant for your trip. Description: 7 in1 multifuction : whistle, magnifying glass, signal mirror, compass, thermometer, small container and LED light Portable and easy to carry with rope A button switch for white LED light Battery: 2 x CR2016 coin cell batteries (not included) Can put small items with your details into container before trip for unexpected accident Color: Army green Size (L x D): Approx. 8 x 3 cm / 3.15 x 1.2 inch Package Includes: 1 x 7-in-1 Multifunction Survival Whistle
