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:/best-photoelectric-smoke-detector.html
