GSM 3G SMS alarm Controller used for GSM Access Control System GSM Gate Opener Automatic monitoring valve control
- 3G Module inside:Can be operated from anywhere, no distance limitation
- 2 relay outputs, 2 digital inputs and USB Serial Port
- Multifunction:Oil and gas pipelines Vending Machines Security Alarm System applications,Valve controls
- Alarm Numbers:3 SMS Alert phone numbers,5 auto-dial phone numbers
- Provide free charge SMS APP to operations
- Product Dimensions：3.5 x 1.2 x 2.8 inches