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The ELK-120 v.2 features 4 channels that can be configured as 2 channels of siren and 2 channels of voice, or all 4 channels can be used for voice. Either way the voice channels are fully recordable and are stored in non-volatile re-programmable memory.
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The Smartest DIY Home Improvements
Cent-a-Meter 'electricity speedometer' helps you save energy & money!
