Main feature
1. Easy installation and maintenance
2. Light Labyrinth with High stability & High accuracy
3. High adaptability to the ambient,with dustproof,mothproof,moisture proof and anti-white light function
4. DC 9-35V wide voltage operating range
5.The 4 wire smoke detector with Low standby surrent
6. Power supply non-polarized input
7. Twin LED for 360 degree visual
8. Flashing LED power indicater
9. Alarm output is relay output
10. Metal shield, anti-electromagnetic interference
11. Our all different types of smoke detectors have Two-year limited warranty
12. Suit for detect the smoke in house, shop, hotel, restaurant, office building, school etc...
More detail: /4-wire-smoke-detector.html
