You can view the different sensor types at monnit.com. Generally we deploy out temperature but our infrastructure supports all devices.
Low Temp Sensor - 150.00 These sensors go downt o -200C and have a 3 foot lead.
Temp Sensor - 105.00 These go down to -40C and have a 3 foot lead.
Room Sensor - 70.00 These go down to -40C and have no lead. Primarily used to monitor a room temp.