VLCA-1688 Top Seller They also have the option

They also have the option of battery or hardwired power

The Alerton VAV-FILTER is easily installed on the airflow sensor aboard BACtalkVAV controllers to reduce the accumulation of airborne dust particles

The powerful Honeywell Home RedLINK Room Sensors have a wireless

The EA79 Industrial Air Vent purges air from high pressure mains and equipment in hot or cold closed water systems

VLCA-1688 Top Seller They also have the optionThe Alerton BACtalk VLCA 1688 is a BACnet advanced application controller (B AAC) with a real time clock, high resolution 12 bit A D; D A converter and a 32 bit processor. The VLCA 1688 includes on board Hand Off Auto (HOA) switches, Ethernet connectivity, and complex math functions. It also leverages DDC Function blocks that calculate additional DDC analog functions. As a B AAC controller, the VLCA 1688 integrates seamlessly with your BACnet system.