
| Parameter index | |
| Power supply | DC4.8V-6.5V,4 1.5V LR6 alkaline batteries | 
| Quiescent current | <20 UA | 
| Dynamic current | < 180 Ma | 
| Storage temperature range | -20~+85℃ | 
| Storage humidity | 10~98% RH | 
| Working temperature | 0~+70℃ | 
| Operating humidity | 15~95% RH | 





