4‑Pack Smoke Alarm Sensors with Built‑in Batteries
USD 18.00 USD
Specifications
| Power Source | Battery |
| Battery Included | Yes |
| Color | White |
| Item Diameter | 4.06in |
| Year Manufactured | 2026 |
| Item Depth | 1.85in |
| Brand | System Sensor |
| Type | Smoke Alarm |
| Number Of Batteries | two 1.5V AA batteries |
| Operating Sound Rating | 90 dB |
| Item Weight | 0.24 lb |
| Item Width | 4.06in |
Lt has the characteristics of high sensitivity. · Press and hold the self-test button, the alarm light is lit and the alarm sound is issued, indicating that the alarm is working normally. Independent photoelectric smoke and fire detection alarm.
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