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By certification 
433MHZ Wireless Water Thermostat:
| Power | 2*AA*1.5V alkaline batteries |
| Display accuracy | 0.5°C or 1°F |
| Probe sensor | NTC(10k)1% |
| Contact capacity | 5A/250V(BW);16A/250V(RF);3A/250(MRF) |
| Working environment temperature | 0~50°C/32~122°F |
| Range of temperature adjustment | 5~35°C/41~95°F |
| Range of temperature display | 0~40°C/32~104°F |
| Output | Switch relay |
| Insulating condition | Normal environment |
| Running program | Set per 1 week as a cycle |
| Installation | Wall mounted or on battery seat |
| Frequency | 433MHZ(RF/MRF) |
| Wireless transfmission distance | indoor: 16/50m;outdoor: 200m |
| Size(mm) | 130*90*27 |
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