Eltek GC04/GD04.

Sensors: 1 x external thermistor temperature
Range: -40 to +70ºC
Resolution: 0.1ºC. 0.2ºC, 0.3ºC, 0.4ºC
Accuracy: ±0.2ºC (-15 to +40ºC), ±0.4ºC (-29 to +65ºC), ±0.6ºC (-36 to +70ºC), ±0.8ºC (-40 to -36ºC)