The GEM-GB is an advanced wireless acoustic glass-break detector for use with all Gemini-Series control panels and receivers.
Features: - Superior-immunity to false alarms and excellent detection, even through blinds & light drapes
- Pattern Recognition Technology - recognizes the actual pattern of glass breaking across the full audio band
- 25’ coverage radius with automatic test for easy installation
- Enduser hand clap sensor verification
- Includes lithium battery, tamper & mounting kit