https://penthermometer.com/product/saf-t-log-haccp-paperless-temperature-recording/
Saf-T-Log HACCP paperless temperature recording - Pen thermometer
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https://cryptsec.se/product/mq-79-the-professional-covert-voice-recording-pen/?v=efad7abb323e
MQ-79: The Professional Covert Voice Recording Pen | Cryptsec
The MQ-79 is a professional executive pen providing "in plain sight" security via a hidden, high-performance microphone. It captures forensic-level evidence...
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