Product Paramenters | ||
Model Number | 508NB | |
Size | 69*53mm | |
Power source | 2*1.5V AAA Battery or CR17335 battery | |
Alarm Loudness | ≥85 dB at 3m (10ft) | |
Communication Mode | WiFi Bluetooth NB-IOT | |
Operating Relative Humidity | ≤95% (non-condensing) | |
Sensitive Level | 2.06%/ft ± 1.3 | |
Static Current | ﹤3.5 uA | |
Alarm Current | ﹤30 mA | |
Material | ABS Plastic | |
Product Weight | 130g | |
Certification | GB4715-2005, En14604, UL217 | |
Warranty | 3 Years |