Seitron TRD03B 无线双向数字恒温器 (5 .. 35°C)
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Power supply: 2 x 1.5V AA batteries
Working range: 5 .. 35°C configurable
Frequency: 868.150 MHz
Sensor: interno/esterno (opz.) NTC (4K7 @ 25°C)
Max distance from the receiver: >50 m (inside normal buildings)
Data transmission time: 3 min/10 min
Antenna: Internal
Protection rating: IP30
Dimensions: H85 W85 D23.6 mm
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