TrolMaster - Legacy Beta Series Digital Controller (Day/Night Temperature) growing-media This model is equipped with

This model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life

heavier yields

Steel flange for filters and ducting

Prevents media debris from returning to reservoir

12V DC adapter

TrolMaster - Legacy Beta Series Digital Controller (Day/Night Temperature) growing-media This model is equipped withThe BETA 4 is capable of controlling any heating or cooling device that is 10 amps or less. Simply plug in your device to the power outlet on the bottom of the BETA 4. It uses 3 buttons a digital display and offers separate "day night temperature settings and features a built in photocell. Features: Digital Display Built in Photocell sensor Day Night Control Included In Box: 1 x Temperature Controller 1 x Temperature Sensor Technical Specifications: