Name of product:
DiveAlert and DiveAlert PLUS signaling devices
Hazard:
The signaling device can malfunction when used and restrict the diver’s air flow, posing a drowning hazard.
http://www.cpsc.gov/en/Recalls/2013/DiveAlert-Emergency-Signaling-Devices-Recalled-by-Ideations/#Remedy
DiveAlert Emergency Signaling Devices Recalled by Ideations Due to Drowning Hazard