Disclosed is
digital signage (100, 300) comprising housing (102) comprising display portion (104), base portion (106) and
airflow spoiler (AS) (108, 200), wherein display portion comprises first
display arrangement (110), second
display arrangement (112),
heat exchanger (114) arranged, first
air channel (FAC) (116), for enabling first ambient
airflow (FAA) (118) therein, second
air channel (SAC) (120), for enabling first amount (122) of FAA therein, third
air channel (TAC) (124), for enabling second amount (126) of FAA therein, first fan array (128) configured for extracting first
ambient air to enable first and second amounts of FAA from FAC to pass through SAC and through TAC; base portion comprises first electronic box (FEB) (130) and second electronic box (SEB) (132), fourth air channel (134) between FEB and SEB, fifth air channel (136), for enabling second ambient
airflow (SAA) (138) therein, sixth air channel (140), for enabling third ambient airflow (TAA) (142) therein, second fan array (144) configured for extracting second
ambient air and third
ambient air to enable SAA from fifth air channel and TAA from sixth air channel to pass through fourth air channel; and airflow
spoiler arranged configured to direct first and second amounts of FAA from FAC to SAC and to TAC, respectively, SAA from fifth air channel and TAA from sixth air channel to fourth air channel, wherein airflow
spoiler is configured to prevent FAA from FAC to mix with SAA and TAA.