Advanced Anti-Loss Technology: This anti-lost buzzer tracker is designed with cutting-edge signal loss alarm technology, providing a reliable solution for locating lost RC airplanes, drones, and quadcopters. It ensures that you sight of your remote-controlled aircraft again. Easy Installation and Operation: Simply connect the alarm between the servo and the receiver, acting as a servo extension cord. Upon turning on your transmitter (TX), you'll hear two beeps, indicating the system is active. If the signal is lost or the TX is turned off, the device emits a continuous beep after one minute, making it easy to locate your aircraft. Enhanced Safety Features: The device features an escalating alarm system. If the continuous beep sound is ignored for approximately two minutes, the alarm changes to a louder "V" sound, ensuring you 't miss the alert. Disconnecting the alarm from the receiver is required to stop the alarm, adding an extra layer of safety during flights. Compatibility and Versatility: Suitable for a wide range of RC models, including mini quadcopters, helicopters, park flyers, gliders, and aircraft, this universal finder alarm enhances the safety and enjoyment of flying types of RC vehicles. User-Friendly Design: Made from high-quality materials, this product guarantees durability and reliability. Additionally, the compact design makes it a perfect addition to your RC gear collection. Anti-Lost Buzzer Tracker with Signal Loss Alarm - Universal RC Airplane & Drone Finder Lost Plane Locator for Quadcopter Safe Flight Accessory. RC Anti-Lost Buzzer Tracker Signal Loss Alarm & Lost Plane Finder for Drones & Quadcopters Essential Safety Gear Anti-lost Buzzer Tracker Signal Loss Alarm & Lost Plane Finder for RC Airplane Drone Quadcopter Lost Alarm Helicopter Finder Finder Beeper Alarm Buzzer For RC models mini Quadcopter Aircraft Air Plane and high quality RC lost Air plane finder helicopter Parkflyer glider Aircraft Alarm Connect the alarm between the servo and the receiver,. act as a servo extension cord. Turn on your TX. and you hear 2 x beep sound. Do not move any of the control stick on the TX or simply turn off the the TX. You hear a continuous beep sound after 1 minute. It stop once u turn on your TX or move the control stick. Item Type:Aircraft Finder Alarm Using Instruction: Connect the alarm between the servo and the receiver,. act as a servo extension cord. Turn on your TX. and you hear 2 x beep sound. Do not move any of the control stick on the TX or simply turn off the the TX. You hear a continuous beep sound after 1 minute. It stop once u turn on your TX or move the control stick. If you ignore the continuous beep sound for around 2minutes,the beep sound change the a louder V sound. You need to disconnect the alarm from the receiver in order to switch of the alarm. MAKE SURE THE CORRECT POLARITY BEFORE TURN ON THE TX Color: As Shown Material: Plastic+Metal Package Contents: 1 * Tracker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.