P428 is designed for vehicles that do not have the display showing the tire pressure and temperature of all 4 tire positions.

Feature:
- Instant monitoring 4 tires’ pressure via smartphone/ tablet.
- Applicable to iOS and Android system.
- Instant detect tire slow leakage problem.
- Easy settings for drivers.
- With an extra USB charger, drivers can use another electronic device or charge the smartphones.

System installation:
Step 1. : Download Orange Electronic TPMS P428 App from play.
Step 2. : Plug the Cigarette plug into the Cigarette lighter
Step. 3. Turn on the Bluetooth device of your smart phone
automatically search Orange Electronic TPMS TPMS device
(Notice : Normally, Bluetooth device takes longer pairing time at initial pairing, may up to 60 seconds.)
Step. 6. Sensor learning (For sensor learning process, we strongly recommend you to look for professional support; and for the detailed process, please refer to user manual)
Step. 7. Wait for the connection complete and select Orange Electronic TPMS device to do the Bluetooth connection