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3G Waterproof Vehicle GPS Tracking with Relay T300 Color:Black GPS accuracy:less than 5m Battery capacity:200mAh Working voltage: DC9-36V GPS function,receive GPS signals faster stop engine Vibration alarm Over speed alarm ; Built-in backup battery to realize power failure alarm Function bri
3G Waterproof Vehicle GPS Tracking with Relay T300 Color:Black GPS accuracy:less than 5m Battery capacity:200mAh Working voltage: DC9-36V GPS function,receive GPS signals faster stop engine Vibration alarm Over speed alarm ; Built-in

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