Assertion: grenade | /r/CapableOf | blink its red light
Facets:
value: before emitting a sonar wave
type: TEMPORAL
Source sentences:
text: Once it is thrown and latched onto a surface, the grenade will beep for 2 seconds and blink its red light before emitting a sonar wave, revealing nearby enemy positions on the radar and granting a 3 second x-ray (red outline through walls and smoke) vision.