About Howard Leight by Honeywell Impact Sport Sound Amplification Electronic Shooting Earmuff
When the electronic ear protection is switched on, it employs built-in directional microphones that amplify ambient sounds to a safe 82dB. for additional shooting hearing protection, the impact sport electronic shooting earmuff actively listens to ambient sound and automatically stops when loud impulsive sounds like firearm discharges exceed this level. Includes 2 AAA batteries; automatic shut-off feature after 4 hours increases battery life.