LuxPro PSPHA732 Programmable MultiStage Thermostat - Fully programmable, digital thermostat with auto changeover for control of 3 Stage Heat / 2 Stage Cool heat pump systems.

Compatibility:
. Up to 3 Stage Heat/2 Stage Cool: Heat Pump Systems
. Will Operate Aux. and Emerg. Heat

Features:

• 7-Day Programming
• 4 Periods Per Day
• Auto or Manual Changeover
• Energy Star Compliant
• Exclusive Lux Speed Dial® - Makes
• Reprogramming Easy
• System or Battery Powered with Battery Free
• Memory Storage (batteries included)
• Keyboard Lockout
• Filter Monitor
• Temporary Override (CAT24 Compliant)
• Vacation Override 
• Adjustable 2 or 5 Minute A/C Compressor Delay
• Energy Usage Monitor
• Luxlight® EL (Electro Luminescent) Display
• Clean Cycle® Programmable IAQ
• Intermittent Fan (Patent No. 6,988,671)
• O and B Terminals 
• 3-Year Warranty

Specifications:
Dimensions: 5.90" (150mm) wide x 4.13" (105mm) tall x 1.18" (30mm) deep
Heat/Cool Terminals: R, O, B, Y1, Y2, W1, G, C, E.
Electrical Ratings: 11/2 AMPS at each terminal, 2 AMPS total 24v AC. System or Battery
Powered: 2 "AA" Batteries .
Temperature Control Range: 45°F to 90°F (7° to 32°C). Accuracy: ±1°F over a range of 50°F to 95°F.
Environmental Limits:
Moisture and Dust: meets IP20.
Operating Humidity: 20% to 90% non-condensing.
Operating Temperature: +32°F to +122°F (+0°C to +50°C).
Storage Temperature: -4°F to +140°F (-20°C to +60°C).
Electrical Immunity: meets relevant CE specifications.