Generic alarm that has a bright red LED and makes buzzing sound. I imagine you can make this work on any housing. I had a leak in my EM5 housing few years back, and I thought the alarm was corroded and bought a new one. However, the old alarm ended up working after changing the battery, so this sat around and never got used.
$50 including PayPal and 1st class mail w/ tracking in the US.
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