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Design and Specification are subject to change without notice.
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CEI-101 Monitor your telephone status.
Feature:
- Protect the phone conversation from eavesdropping and listening.
- Prevent the telephone line from burglary.
- Alert the telephone user from the third party"s instrusion.
- Suitable for touch TONE and PULSE telephone.
- Compact design for easy carry and installation anytime.
- No battery needed.
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