TAR-25 miniature audio recording module for high-quality continuous recording of 80-hour conversations.
Ultra miniature, smaller than a match
Very resistant metal case
Undetectable by nonlinear junction detectors
High sensitivity microphone with 10 meter range
Activation by the way
Timer for a scheduled recording
Automatic Gain Control
Data transfer via USB port
Internal memory 4 GB
Wav extraction software
Powered by a simple 1.5V button cell
Dimensions 32x16x11 mm.