Specifications :
| Collection Method | Three-level contact water level sensor |
| Way Of Communication | Wireless (wireless transmission frequency: 433MHz) |
| Transmission Distance | 1000m |
| Power Supply | Solar maintenance-free power supply, powered by 12V/20Ah lead-acid battery |
| Solar Specifications | Solar panel 20W/18V, polysilicon material |
| Audio Power | ≥50W |
Catalogue : PDF
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