PA-209R Wireless Gas Detection Alarm, AC 100-240V Tag-Repair Fixture 2) Never attempt to connect

2) Never attempt to connect and start the tester with any power supply other than the tester itself

General Compatible with Huawei:  P40 lite E

General Size 22

Use for Damaged Sticker: You will damage the sticker by accident when you repair your phone or the phone is wet

7mm Female

PA-209R Wireless Gas Detection Alarm, AC 100-240V Tag-Repair Fixture 2) Never attempt to connect1. Self test function 2. Motorola IC control, Reliable without false alarming 3. Field audio and visible alarming 4. Simple installation 5. Excellent reliability & high stability 6. Low battery alarm 7. Durable sensor head 8. Less affected by other organic solvent 9. Alarm range: Natural gas: 10% ~ 25% LEL, Liquefied petroleum gas: 10% ~ 25% LEL, Coal gas: 2% ~ 5% LEL 10. Response time: < 30 seconds 11. Alarm volumn: > 85 dB (between 1m) 12. Emission