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Captures Sounds Typically Difficult to Identify
Eliminates aphonic and resonance effects for enhanced audibility.
Audio frequency can be divided into 3 selective modes:
Electronic amplifying system offers 8 different volume levels. Automatically starts with the last used sound collection and volume mode. Features automatic shut-off after 2 minutes. Includes 3 LR44 mercury batteries. Flexible binaural control and a 3-year limited warranty.