Two super bright red LEDs.
Very powerful flash effect.
For emergencies, warning signs, as an eye-catcher, an 'alarm-active' - simulation, etc ...
'Auto turn-on at dark' mode with adjustable sensitivity.
On/off switch.

Specifications:

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Power supply: 9V battery (not incl.) (12V possible)
Dimensions: 2.2" x 1.3" x 1.6"