How much does this cost to the nearest dollar?

Bluetooth Battery Monitor Auto Car Motor 12V Battery Voltage Tester Wireless Free Mobile APP Real Time
Prodcut Description Installed in the car battery Real-time Monitoring throughReceive notification of battery conditions when enter Bluetooth rangeAlert users if charge is lowCheck vehicle cranking system automatically while engine is startingCheck charging system (alternator)List the time of each drivingAlert mobile phone if some data abnormalShort-circuit and reverse connection protectionData stored in battery monitor up to 35 days if out of syncAutomatic synchronization when enter Bluetooth rangeCompatible with all vehicle batteries Review historical data graphically Engine starting detect automaticallyData stored in battery monitor up to 35 days if out of syncProtection of short-circuit and reverse connectionFree app for both iOS & Android Specification Input Voltage Current Temperature Dimensions Protection?Built inReverse Connection Protection

Price is $34.00

Price: $34.5