| item | value |
| Place of Origin | China |
| Brand Name | TuyaSmart/OEM/ODM |
| Model Number | SD0339 |
| Certification | CE,ROHS |
| Wireless type | Zigbee |
| Alarm Sound | ≥85dB |
| Working temperature | -10℃ ~ 55℃ |
| Working voltage | DC 3V(CR123A battery) |
| Detector type | Network&independent smoke detector |
| Low power indication | Support (2.6V ± 0.2V) |
| Installation | Celling Mounted |
| Material | ABS+PC |
| Battery life | 5 year(20 times/day) |
| Dimension | 90*37mm |












