Durable construction and reflective performance: Made of strong acrylic material, this signal mirror is built to withstand tough conditions without cracking or wearing. It provides reflectivity for reliable signaling in various situations. Size and shape: Mirror dimensions are 75 mm x 55 mm x 5 mm. Versatile applications: This multifunction survival mirror is suitable for automotive emergencies, adventures, mountaineering, camping, hunting, fishing, and extreme sports. It serves as a useful rescue tool and a reliable signal generator. Builtin precise aiming system: The small signal mirror features a builtin precise aiming system for survival activities and longdistance field signaling. It enables accurate and fast signal transmission, with a transmission distance of several kilometers in sunny days, and it can be used even in shaded areas. Essential for survival: Signal mirrors are essential tools for signaling in survival scenarios. Many remote adventurers and explorers consider carrying a survival mirror to support safety and rescue efforts. Use scenarios: Automotive emergencies and roadside signaling. Mountaineering, camping and other outdoor adventures. Hunting, fishing and extreme sports.