Siemens QFA32SS.FWSN Temperature and Humidity Sensor, Wall Mount, Digital, 32 °F to 122 °F, Polycarbonate, White, BACnet Modbus 2ZVC7 Model Number 1779740 Material Grouping Model Number 1779740 Material Grouping Plastic Number of Openings 0 For Container Capacity 44 gal For Cntnr Cap 44 gal Slip Resistance Tether Style Tether Capable Grip Style Ergonomic Ratcheting Yes Tether Ready No Insulated No Head Type Standard Non Sparking No Minimum Arc Swing 8 Degrees Ratchet Type Standard Measurement Type SAE Corrosion Resistant Yes Head Shape Pear Quick Release No 4 to 20 mA Electrical Connection Type Screw Terminals Housing Material Polycarbonate Housing Color White Overall Height 4 1 2 in Overall Width 2 3 4 in For Use With BACnet System Compatible Protocols BACnet IP Minimum Sensing Temperature 32 °F