Features: Ensures safety of your Aircraft with our Signal Loss Alarm Finder, featuring a microprocessor control for precise and reliable performances. This device boasts a easy to connect design and a super loud alarm over 85dB to quickly locate your in case signal loss. For hobbyists and professional who value security during their flights. Perfect for outdoor flying activity, this alarm finder help prevent loss and assists in retrieval of models in expansive areas. Enhances your flying experience with peace; our Alarm is a must accessory for any remote controlled aircraft enthusiasts. Specifications: Material: ABS Sound: 85db Total Length: About. 11.7cm/4.61in Package Includes: 1pc Aircraft Finder Tracers Alarm note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.