from this brand
Enviro Monitoring System Hub 8P 20 Dry Contacts w/ Temp Sensor
A eight port Environmental Monitoring System hub that comes with 20 user programmable 2 wire dry contact sensors and a temperature sensor. The Environmental Monitoring System Hub is an affordable way to monitor smaller installations.
- Embedded Web Server
- Supports up to 8 Intelligent Sensors
- User-configurable sensor thresholds
- Full SNMPv1, v2, and v3 compliance.
- Includes SNMP MIB