Enhanced Tracking Capability: Equipped with a powerful built-in MCU, this beeper significantly enhances tracking for FPV drones and multicopters, ensuring you your valuable equipment. Loud 5V Buzzer: Features a high-decibel buzzer that emits clear and loud beeps, making it easier to locate your drone even in noisy environments or at great distances. Universal Compatibility: Designed to integrate seamlessly with various models of RC quadcopters and multicopters, providing a versatile solution for most drone enthusiasts. Easy Installation: This compact and beeper can be effortlessly installed on your drone, offering a user-friendly experience even for beginners. Product name: active buzzer Power: maximum 1W Size: 18 x 13 x 8mm Operating voltage: 4.5V-5.2V Volume: maximum 90dB Color: As Shown Material: PCB Package Contents: 1 * Flight Controller 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.