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UI
Outline
Watchify v1.0 - 80px
bell, Alarm, warning
Black
512x512
Mixed
Watchify v1.0 - 32px
Alert, warning, chime
Glyph
Very Basic. Android L (Lollipop)
problem, Attention, warning
Google Material Design icons
Alert, Battery
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Computer & hardware
Mirrored Twins (hollow)
sign, Caution, warning
Desktop apps
Minicons
Alert, Prompt, Attention
Confirmation, Box, Alert
Alert, White, warning
Attention, Box, Confirmation
warning, Alert, Dialog
Dialog, Prompt, Box
iOS7 optimized
48 Bubbles
Alert, bell, Alarm
Network & communications
Communication & Technology
wave, Attention, Error
Octicons
Alert
Freecns Cumulus
Clock, Alert, time
Halloween
Photorealistic
Desktop Halloween
user, kill, Caution
256x256
Ionicons
Alert, Circled
Smooth
Tango Icon Library
severe, Alert, weather
Gaming & gambling
3D
Free Game Icons
warning, Blaze, Attention
64x64
48x48 Free Object Icons
Alert, fire, combust
48x48
Business & finance
48x48 Free Time Icons
warning, medicine, siren
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24x24 Free Application Icons
stop, Abort, Block
24x24
iOS 7 icons
flag, Alert
