sudo apt-get install librtlsdr0 librtlsdr-dev 

And follow instruction: BUILDING

$  rtl_433 -f 868330000
 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
time      : 2020-10-23 23:18:58                    brand     : LaCrosse
model     : LaCrosse-TX35DTHIT                     id        : 16
Battery   : 1            NewBattery: 0             Temperature: 15.0 C       Integrity : CRC
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
time      : 2020-10-23 23:18:58                    brand     : LaCrosse
model     : LaCrosse-TX29IT                        id        : 16
Battery   : 1            NewBattery: 0             Temperature: 15.0 C       Integrity : CRC
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _