Circular Chart Recorder, Temperature, Chart Size (In.) 3 in, Recording Time (Day) 1 or 7, Temp.
7 in, Depth (In.Temp Chart Recorder,3 In Range -14 Degrees to 32 Degrees F, -25 Degrees to 0 Degrees C, Remote Probe No, Alarm No, Display No, Digital Readout No, Power Supply (1)AA Battery, Temp.