| Place of Origin | Guangdong, China |
| Brand Name | OEM |
| Model Number | 621 |
New 9V Battery Red Smoke Alarm Detector
Specifications:
| Material | ABS |
| Size | 105*58MM |
| Weight | 145g |
| Sensitivity | 2.06%/ft ± 1.3 |
| Powered | 1*9V Battery |
| Frequency | 315MHz/433MHz |
| Transmit Distance | 200 meters |
| Alarm range | 60-80 square meters |
| Standard | GB4715-2005;En14604;UL217 |
| Alarm voice voltage | ≥85dB/3m |
| OEM | Avaliable |
| Package | Color box |
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