Item Model NumberOSMQ120
ColorRed or white
Voltage12 or 24V DC (panel-powered), 120V AC (hardwired)
SizeDiameter approx. 12 cm; Depth approx. 5.3 cm
Item Package Quantity1
Special FeaturesLED status indicators (power, alarm, fault)
Tamper-resistant locking features
Wireless/Smart connectivity
Self-check functions for system health
Integrated carbon monoxide sensing (in combo units)
Included ComponentsSmoke detector unit
Mounting hardware
Installation and user manual
Surface RecommendationCeiling mounting preferred; wall mounting allowed in some code-approved cases; avoid vents, ducts, or high condensation/steam areas
Specifications MetUL 217 (residential),UL 268 (system detectors),EN14604 (Europe),ETL,FCC Part 15
ManufacturerChinese
Warranty & SupportCheck Osta Warranty Page
PropertiesOperates effectively within specified temperature and humidity ranges
Usage TimeBattery life typically 1–10 years depending on battery and design
TemperatureOperating temperature typically 4.4°C–37.8°C (40°F–100°F); some models support -20°C to 60°C (4°F–140°F)
Return PolicyOsta Return Policy
Country of OriginChina