TEMPer2.cs

var devices = new HidEnumerator().Enumerate();

var device = devices.Last();

device.OpenDevice();

var success = device.Write(new byte[]{ 0x00, 0x01, 0x80, 0x33, 0x01, 0x00, 0x00, 0x00, 0x00 });

if(success)
{	
	var data = device.Read();
	
	data.Dump();

	if( data.Data[3] > 128 )
	{
		(-1 * (256 - (data.Data[3] + (data.Data[4] >> 4) / 16d))).Dump();
	}
	else
	{
		(data.Data[3] + (data.Data[4] >> 4) / 16d).Dump();
	}
	
	if( data.Data[5] > 128 )
	{
		(-1 * (256 - (data.Data[5] + (data.Data[6] >> 4) / 16d))).Dump();
	}
	else
	{
		(data.Data[5] + (data.Data[6] >> 4) / 16d).Dump();
	}
}

device.CloseDevice();
device.Dispose();