Description:Product Name: Multifunctional Signal MirrorPurpose: Outdoor Survival Tool/Long Distance Communication/Pointing Function/Used as a MirrorMirror Size: 75*50*5.5mm Material: AcrylicSpecifications:Acrylic material is light and durableAccurate and fast signal transmissionSignal mirror + aiming center hole* One-handed mirror, aim the surface of the mirror at the light source to make the light reflected on the palm of the other hand;* Keep relative position, move the middle aiming hole of the signal mirror to the eye, through the aiming hole, you can clearly see the bright spot, it is the front view;* Slowly shake the signal mirror so that the light point coincides with the target that needs to be transmitted, and the target will accurately see the reflective signal sent by you;* When you cannot see the clear communication target, sweep the front view to and back along the horizon. Even on a foggy day, you can see a reflective signal tens of kilometers away. Can be used as a mirror, equipped with a lanyard, easy to carryLight effectThe back side of the signal mirror has built-in fluorescent material. Fluorescent material can store light energy after irradiated by natural brightness, fluorescent light, ultraviolet light, etc., and after the light is stopped, it will be slowly released in the form of fluorescence, so at night or glowing can still be seen in dark places, and the duration depends on the intensity and duration of the light. Package