Wireless Signal Loss Alarm Tracking Buzzer with LED Light for RC Helicopter FPV Racing Drone Battery

1.Equip with chargeable button lithium battery to avoid battery fall out and assure the normal alarm function.
2.Sound and light alarm together to help seeking and locate. 
3.Able to enable the alarm function via remote controller.
4.It will trigger the alarm without RC input over one minute (It need to connect the servo channels with RC inputs.)
5.It will trigger the alarm after detect RC signal loss over one minute.
6.Easy and convenient to charge the button battery, it will continue alarm for one hours after 10 minutes charge.
7.Charge safely and effectively with optimized charge module. (charge voltage: 5-8v, suitable to charge with high voltage ESC)
Brand: ZMR
Name: Wireless Tracking Alarm
Charge voltage: 5-8V
Size: 26.5X23.6mm
Weight: 7.3g
Packaging included:
1 X Tracking Alarm