WisuAlarm DHI-HY-SA40A Smoke Alarm True-Tech The WisuAlarm DHI-HY-SA40A Smoke Alarm has a split-spectrum sensor technology. In addition it has test and silence features in one single button, silenced by a working infrared remote controller. Specifications: Working Principle Collection Type Smoke Sampling Period 9 s Working Principle Photoelectric Alarm Alarm Type Smoke alarm, fault warning, low battery warning In addition it has Alarm Volume 85dB (A) at 3 m (9.84 ft) Alarm Mode Visual and audible alarm Silencing Function Yes Silence Duration 9 min Infrared Silence Yes Pre-Set Alarm Value 0.2dB/m-0.3dB/m Basic Parameters Indicator Light Alarm, fault and operation indicator LED Instructions Standby: Green indicator flashes once per minute Alarm: Red indicator flashes once per second Fault: Red indicator flashes twice per minute Operating Frequency 868MHZ Radio Signal Range Up to 1000 m (3280.84 ft) in open air Interconnected Units 24pcs Maximum Interconnected Units Coverage Area When the height of the space is less than 8 m (26.25 ft), the protection area of a device is 20 m2–40 m2 Power Supply Battery Life 10 years Power Source 3V CR123A lithium battery (non-replaceable) Operating Current Monitoring current: ≤ 15uA (avg.) Alarm current: ≤ 35mA (avg.) Operating Ambient Operating Environment Indoor Operating Temperature -10°C to 55°C ( 14°F to 131°F) Operating Humidity ≤ 95% RH (non condensing) Appearance Color White Casing PC ABS Dimensions φ81.5 mm × H51.6 mm (φ3.21″ × H2.03″) Weight 110 g (0.24 lb) Installation Ceiling Mount Certification Certifications TÜV and CE listed Compliance Standard EN 14604:2005 AC:2008, EN 62479:2010, EN 50130-4:2011 A1 EN 301489-1 V 2.2.3:2019, EN 301489-3 V 2.1.1:2019
