STARTRC Drone Alarm Buzzer,Alarm with Lost Drone Rechargeable LED 120dB for Flight Controller GPS Tracker for DJI Mini 4 pro/Mini 4K/Avata 2 / RC Quadcopters & Multirotors Accessories - 1139167

• 【Accurate Positioning】 If your drone crash and the battery is ejected,you have no idea of where it may be or when you get to the lost location and you can't find your drone,this little thing would have helpfu for you.You will can view the location of the siren on your Apple "Find" app, using navigation and light and sound alerts to easily locate your drone.PLEASE NOTE: This Drone Alarm Buzzer is for tracking drones only and cannot be used to track behaviors such as private movements. 【STARTRC Drone Alarm 】 In the vicinity of the drone alarm 10-100m range can be triggered by cell phone alarm and flash function, in the 100m away you can through the phone on the navigation with drone alarm connected for accurate positioning search.A very easy upgrade to give you a last failsafe should your drone end up landing in the dark, in tall grass, or even in some unknown location. 【Ultra Long Endurance】The battery life is 15 days in standby mode after powering on, and can be used to 4 hours if you let it beep all the time, Type-C port design makes the drone strobe light alarm easy to be fully charged within 1.5 hours. 【How to Trigger Alarm】Equipped with 120dB sound, 100 lumens LED light, you can control the siren alarm and flash independently by connecting your phone, or you can turn on the phone and still it on for 30 minutes to trigger the alarm and flash actively, the alarm and flash single time duration of 10S. 【More availability】: Compact size and light weight makes STARTRC Strobe lights alarm easily installed on any drones,can used for DJI Mini 4 Pro/Mini 4k/Avata 2/Air 3/Mavic 3 pro/Avata/Holystone/FPV drones；only for iPhone 11 or above cell phone models,for IOS 14.5 or above version.Not affecting flight safety and flight time.Multi-scenario usage.Enjoy a night flight.