Central Air Monitor & Controller, Volts: 24, Temperature Range: 32 To 122 Deg, Wired: 24V AC, 16, 24 AWG, Application: Air Quality, Ducts, Installation Type: In Duct, Material Type: ABS, Power Source: Electric, Material: Plastic, Watts: 2, Dims: H: 8"W:9"L:1" Weight: 5Lbs, In Mfg Box, Made In USA