Dbuz5V has been redesigned with flat bottom since Feb-2021. B+ pad is useless on previous version, we removed B+ pad from this version.
Genuine Matek Systems Loud Lost RC Model Beeper Alarm Buzzer 5v Drone FC UK
Matek Systems Digital AirSpeed Sensor ASPD-DLVR, I2C & CAN
Matek Systems FCHUB A5 PDB Built-in 184A Current Sensor 5V 2A BEC 2-6S Lipo UK
Matek 5V Piezo Buzzer Lost Model Alarm for Drone FC (Naze32) or PWM Rx UK STOCK
CENPEK Parts and Accessories Signal Loss Alarm and Lost Plane Finder for RC Airplane Drone Anti-Lost Buzzer Tracker
EMSea 2Pcs RC Lost Model Alarm 4-6V DC Lost Model Finder Buzzer <85dB for Drone Plane Heli 1-35mA
