fire alarms fire detector hard wired smoke detectors mains smoke alarm

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,This is 2 wire type 5. DC 9-35V wide voltage operating range 6.Low standby surrent 7. Power supply non-polarized input 8. Twin LED for 360 degree visual 9. Flashing LED power indicater 10. Alarm output is Remote LED 11. Metal shield, anti-electromagnetic interference 12. Two-year limited warranty 13. Suit for detect the smoke in house, shop, hotel, restaurant, office building, school etc... More detail:https://www.firealarmfactory.com/best-photoelectric-smoke-detector.html