ND Tackle Wireless S9 Bite Alarm Set&H9pro Head Torch&B9 Wrist Band Carp fishing
B9 can link with ND bite alarms (S9/K9s/N1/D9), TH9s (Motion Detector). The button on the B9 can turn on/off the H9pro. If the alarm sounds and an indication is made on the receiver. If connected the H9pro illuminates.