| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Specifications:
| Input Voltage | DC3V AA battery |
| Alarm Current | 120mA |
| Static Current | 79uA |
| Alarm sound | 110dB |
| Working Temperature | -20 to +60 |
| Working Humidity | 90% |