Enhanced Navigation: GPS-MATE is designed to provide superior navigation capabilities for your RC aircraft or drone, ensuring precise location tracking for improved flight safety and performance Built-in Buzzer Alarm: Built-in buzzer alarm that sounds when battery is low or signal is lost, a must-have for FPV racing and remote flight Compatibility: This power module works perfectly with all types of drones and RC aircraft, improving reliability and functionality for long-term flights Easy to Install: User-friendly and easy to install, GPS-MATE is an ideal upgrade for both hobbyists and professional drone operators Buzzer maximum volume: above 90 decibels Working time: above 4 hours Output current: within 80mA Battery capacity: 3.7V50mA lithium battery Charging interface: Micro-USB Charging voltage: 5V-5.5V Charging time: 1.5 hours (The product printed words depending on batch, but this does not affect use) Color: As Shown Material: plastic Package Contents: 1 x GPS-mate 1 x 4-pin Cable 1 x 5-pin Cable 1 x Cable Tie Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.