Conventional Photoelectric Smoke alarm / Optical Smoke detector/Smoke sensor Unique Light Labyrinth with High StabilityNetwork by Relay, N.O/N.C OptionalAdopted CMOS with low power consumptionHigh Adaptability to the Ambient, with Dustproof, mothproof, moisture proof and anti-white light function,Anti-electromagnetic interference ;DC12-35V Input VoltageOrientation differences: MmaxMmin<1.6Double LED indicatorUnique bracket design, easy installationStandard:UL217/ EN 14604 Input Voltage: 9-35VDCStatic Current: ≤50uA (9-35V)Alarm Current: 40-80mA (12-30V)Operating Humidity: 10%-95% RH Operating Temperature: -10- +55 CAlarm Resume: Auto reset (Power off reset≤0.5s optional)Wiring Mode: 4-wire(Widely used for Security alarm systems)Installation: Ceiling mountedDetecting area: 60 square meter (with 4 meter height)Dimension: Φ100*40mm

smoke alarm