KONNWEI KW903 Bluetooth 5.0 OBD2 Car Fault Diagnostic Scan Tools Support IOS /
KONNWEI OBD II Adapter is a powerful car diagnostic tool developed, which fully complies with OBD II/EOBD specifications. Support multiple wireless connection modes to connect your smartphone or tablet.
FH-168 Car Audio Speaker Polarity Tester Phase Meter, Audio Speaker Polarity Te
1. Made of durable plastic material ensures dependable strength and strong durability. 2. Precisely machined and with strict quality control standards, through professional process and treatment. 3. Long life service, durable , with strong structure and high strength. 4. Powered by 6F22 9V lithium battery (not included). 5. This phase meter can test all speakers of all car, such as small treble, door speakers, sub-woofer, etc.