The TM-40MS from Keri Systems is a key 4 button transmitter with MS insert, designed for reliable and convenient access control. Its compact design ensures ease of use while the multiple buttons enhance functionality, allowing for quick access to various features.
Keri Systems TM-40MS Features
- Compact Design: The small size makes it easy to carry, ensuring you always have it on hand for quick access.
- Four Button Functionality: With four programmable buttons, you can control multiple access points or features with a single device.
- Durable Construction: Built to withstand daily use, the TM-40MS is designed for long-lasting performance in various environments.
- MS Insert Compatibility: The MS insert allows for seamless integration with existing Keri Systems setups, enhancing your security system without the need for additional hardware.
Keri Systems TM-40MS Detailed Specifications
| Model | TM-40MS |
| Button Count | 4 |
| Insert Type | MS Insert |
| Dimensions | Compact size for portability |
| Construction Material | Durable plastic |
| Compatibility | Keri Systems access control systems |



















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