M32H Tactical Communication Hearing Protector FAST out-of-stock and a total of 203mm The Fenix RC20 is

M32H Tactical Communication Hearing Protector FAST out of stock and a total of 203mm The Fenix RC20 is and a total of 203mm The BASIC firmware edition is an economic version with limited number of functions M32H features several design solutions:  Low profile ambidextrous construction for ease of use of firearms  A waterproof battery compartments  Three sound amplification levels  Two reinforced microphones for enhanced situational awareness  Battery saving mode  Adjustable ARC Rail adapters  Integrated NATO Military Standard connector  Flexible boom microphone Used electronics dampen louder sounds to an acceptable 82dB while amplifying normal sounds to levels non achievable for human ears universal size