The versatile VDM Expansion Module can be used as an LED Dimming module to simulate Sunrise/Sunset, Lunar Cycle, Clouds and Lighting with Apex Ready+ fixtures. Or use the module as a Variable Speed Pump control with Apex Ready pumps such as Tunze Turbelle Stream 6105, 6155 and 6255.

Complete control of Apex Ready pumps that use the 0-10V control
Complete control of Apex Ready+ LEDs that use the serial interface
Adds 4 independent 0-10V variable speed ports to the Apex system
Plug and Play - Automatically recognizes when installed into the system
2 AquaBus connectors for flexible expansion via AquaBus
Comes with 3 Ft. AquaBus cable

Fully upgradeable via future firmware upgrades
LED Status indicator
Compatible with all Apex Systems
NOTE: The VDM does not include any interface cables for your pumps. You must purchase those separately