Features:

Convenient temperature display - View comfort level at-a-glance
Bimetal temperature sensing - For improved thermal performance
Mercury-free - No leveling or special disposal required
J-Box compatible - Not only will it meet code, but it speeds up installation
Positive-off switch - Assured shutdown of HVAC system
Universal replacement - Can retrofit most existing electric heat thermostats

Specifications:

Manufacturer: Robertshaw
Manufacturer Part Number: 803A
Product Type: Line Voltage Thermostats
Temperature Rating: 50 to 90 Degrees F
Switch Type: SPST
Dimensions: 3.35" x 5.35" x 2.85"
Weight: 2.0 lb.