HiSmart Wireless Smoke Sensor (BS EN 14604:2005)

An individual device does not work, need to pair with Main Hub.This wireless smoke sensor is an accessory working with the smart alarm system. By using unique design and MCU to work with photo-electricity signal, it is dust-proof, pest-proof, anti-optical interference, etc. This product responds well to the smoke of smoldering and burning. With build-in photoelectric smoke sensor, it will trigger alarm when the smoke density reaches the alarm threshold.Technical specification:Working Voltage: DC 9VBattery: 9V (1x 6F22 6LR61 Battery)Working Current: ≤50mAStandby Current : ≤20μAAlarm Sound: ≥85dB30cmProduct Certification: BS EN 14604: 2005Transmission Distance: Without obstacle 200mTransmission Frequency: 433.92MHzWorking Temperature: -10°C~50°CHumidity: ≤90%rh (non-condensing)Weight: 98.7g (battery not included) 134.5g(battery included)Dimension: Φ107mm * Δ34mmManufacturer: HiSmartWarranty: 24 months