Here is a pepper spray self defense tool with a built-in camera to capture a photo of assailants to forward to the police. The Defender 24/7 connects to your smartphone wirelessly and knows your location, so help can be dispatched wherever you are. It also has a tiny siren.
Defender 24/7 works with iOS and Android devices. The companion app lets you save important information, locate your device, and view location and photo capture history.[where to find it]