The CONTROLLER 75 is a dual-outlet digital climate controller designed to automate devices using temperature, humidity, VPD, and time-based programming. Its large backlit display provides real-time climate readings, while the included 12-foot sensor probe delivers accurate measurements using a waterproof thermal-alloy head. Each of the two outlets can be programmed independently for precise control of fans, heaters, humidifiers, and other AC-powered devices. With Bluetooth and WiFi connectivity, you can access advanced programs, notifications, and historical charts from the AC Infinity app. Compact and powerful, it supports up to 1100W total load for HVAC, grow tents, terrariums, homebrewing, and propagation environments. Key features • Two independently controlled outlets supporting up to 1100W combined• Automated triggers for temperature, humidity, and VPD• Timer, cycle, schedule, and buffer controls for custom automation• Backlit LCD with real-time climate readings in °F or °C• 12-ft precision thermal-alloy probe with waterproof design• Bluetooth and WiFi app connectivity for advanced control and alerts• Backup memory retains settings after power loss Applications • Automating inline fans, exhaust fans, clip-on fans, heaters, and humidifiers• HVAC control in small rooms, tents, and closets• Seedling heat mats for propagation, germination, and homebrewing• Terrariums and reptile habitats• Grow tents for climate-responsive automation Product specifications Specification Details Manufacturer AC Infinity Inc. Product Name CONTROLLER 75 PRO Model CTR75P UPC 819137024458 Controller Dimensions 4.84 x 4.64 x 1.18 in (12.3 x 11.8 x 3.0 cm) Display Size 2.53 x 2.98 in (6.43 x 7.57 cm) Power Cord Length 53 in (4.4 ft) Sensor Probe Length 144 in (12 ft) Outlets 2 Max Power Supported 1100 W Programming Temperatures 32–140°F Operating Voltage 100–240V Power Consumption 1.2 W Current 10 A Wall Adapter Input 100–240V AC Operating Humidity 35–85% RH What’s included • CONTROLLER 75 PRO• 12-ft climate sensor probe• Power adapter