![HTD2A](https://alboxsecurity.com/storage/product/667656ace6c601.jpg)
![HTD2A](https://alboxsecurity.com/storage/product/667656ad098fd2.jpg)
![product thumbnail](https://alboxsecurity.com/storage/product/667656ace6c601.jpg)
![product thumbnail](https://alboxsecurity.com/storage/product/667656ad098fd2.jpg)
- GSM Quad-band, support 4 networks
- One trigger for arm & disarm SMS notification
- Four controllable outputs
- Ten voice call numbers and ten SMS numbers, can be modified by SMS
- Two voice recording for trigger 1 and trigger 2
- Compatible with most control panels that use the contact ID protocol