Knog Scout. A Bike Alarm & Finder Like No Other. We understand that your bike is a prized possession and leaving it unattended, even when secured, can be risky. The Knog Scout provides unparalleled Bike security by combining both an extremely loud 85db bike alarm function with a highly accurate bike finder, using Apple’s ‘Find My’ app. The future of bike security is here. This version of the Scout is ONLY iPhone compatible. Knog plan to release an Android version at some point.