M32H Tactical Communication Hearing Protector for ARC Helmet Rails Mosquito Net This high-strength lock consists of

This high-strength lock consists of a ball bearing nested within a durable textured polymer “cage

Available modes: Momentary

External Size: 45cm L x 28cm W x 4cm D

6-point head harness-easy on and off

M32H Tactical Communication Hearing Protector for ARC Helmet Rails Mosquito Net This high-strength lock consists ofMeets the following Hearing Protection Standards: Australian Standard: AS NZS 1270: 2002 Product Features: Suits FAST Helmet Noise reduction rating + NRR22 3 levels electronic restoration of ambient sound Suppresses harmful noise above 82 dB Different reminder tones of ON OFF and restoration adjusting Power by 2xAAA batteries Approx. 350 hours of operation runtime with new alkaline batteries 4 hours auto shut off mechanism Ergonomic designed cups