Anti-theft Device for Catalytic Converter Specifications: An alarm need 3 AAA alkaline batteries ( included ) standby for 6-10 months A remote need a 12V/27A alkaline battery ( included ) standby for over 1 year 3 Different ringtones for Vehicle search function Low battery indicator (Please replace batteries if it makes weak “Du..Du” sound when you set the alarm in arm/disarm state) Features .
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