Sell Lcd Co Carbon Monoxide Tester Poisoning Smoke Gas Sensor Alarm Warning Detector 1Set best price

features: - scope of application: household/commercial - lcd display: backlit digital display - low battery alarm: every 30 seconds - alarm concentration: 50ppm: 60-90 minutes; 100ppm: 10-40 minutes; 300ppm: 3 minutes - static indication: green led flashes every 30 seconds -only measures carbon monoxide, not smoke in-depth specification 1. material: plastic + metal parts 2. size: 10x10x3.8 cm 3. working temperature: 0°c - 38°c 4. alarm current: 80 ma 5. detection distance: 20 m 6. working voltage: 5v 7. quiescent current: 80 ua 8. alarm sound: 85db 9. rated voltage: 220v 50hz 10. power: 3 x aa batteries (not included) 11. color: white 12. package weight: 120g 13. package: paper box package( picture for reference only) package contents: 1 x carbon monoxide alarm 1 x user manual please note: this is not a smoke detector, it only detects carbon monoxide, thank you!