Note: we have two versions: RF433MHZ and WIFI style,there is no battery inside the package.
RF433MHZ WIFI


| Power supply | DC9V alkaline battery (6LR61/9V) |
| Static current | <10uA |
| Alarm current | < 100mA |
| Working temperature | 0ºC ~ +50ºC |
| Relative humidity | ≤95%RH, no freezing |
| Alarm sound | >80dB |
| Low battery alarm | ≤6.5V±0.5V |
















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