Item Tag: besttechtrading

Features : 1)3 Levels Adjustable Volume, from 96dB, 105 dB to 113dB 2)7 Levels Adjustable Sensitivity,from gently touch to push or beat 3)IP55 Waterproof and Durable 4)Search Function,alarm make sounds when you press the ringtone key 5)SOS Function,The alarm will automatically alarm for calling help when your bicycle tilts more (...)

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