Accessories and Parts -Sound Alarm Highlights Generic Brand Sound Alarm Description: When the aircraft model loses its signal, a sound alarm will sound. If your aircraft has ever been lost, you can easily find it based on the alarm sound An alarm sound above 85 decibels is enough to get your attention. Suitable for AM/FM PPM or FM/PCM remote controls Can be connected to any standard servo channel specification: Two alarm sound modes Weight (g): 4.7 Operating voltage (V): 4-6 Power consumption current draw (mA): 1-35 Material: plastic + electronic components Size Chart: Size: approx. 17 x 13 x 10mm / 0.66 x 0.51 x 0.39inch Package includes: 1 Piece Tracker Alarm Note: Please allow 1-3mm error due to manual measurement. Color may be slightly different due to the color calibration of each monitor.