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Signs & symbols
Outline
User interface
user interface, christmas, Alert
Black
512x512
Alert, warning, Attention
Network & communications
Heistcon #1
loading, Bubble, speech
Clothes & accessories
Computer
Alert, Alarm, event
Teal
Mobile apps
Mobile App Flat Icon
watch icon, Alarm, Clock
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Mixed
Random - Crafticons
Misc, Alert
Education & science
Line mix Vol.2
Attention, megaphone, megafon
Music & multimedia
Line mix Vol.1
Alert, Megafone, megafon
Mayssam
Error, Alert, danger
Twitter UI Set
Alert, notification, ring
UI
ikooni outline: Free Basic
Caution, Error, danger
Error, Caution, Alert
bitsies!
warning, Alarm, Alert
fault, problem, Error
Amenities - Outline
fire, Alarm, Alert
Linecon
Alert, Clock, time
Alert, Alarm, Clock
Freeline
history, watch, event
Watchify v1.0 - 70px
Alert, warning, bell
Watchify v1.0 - 80px
bell, Alarm, warning
Watchify v1.0 - 32px
Alert, warning, chime
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Computer & hardware
Mirrored Twins (hollow)
sign, Caution, warning
Desktop apps
Minicons
Alert, Prompt, Attention
Confirmation, Box, Alert