This tool is a light, whistle, and compass all in one, and keep yourself safe anytime, anywhere with a 3-in-1 safety device. This whistle keychain case is made of plastic and has a compass with an LED light on the end. Comes with a keychain for easy portability and can be attached to your backpack. It is a good choice for camping, traveling and other outdoor activities. To turn the light on and off, simply squeeze and release the tool. You can power it with the included coin cell battery. This promotional tool will be widely recognized at your next trade show. It is possible to add your company name or logo.