The specificate is most like XC-88L/268L/358L/588L

Onlu difference is the material is not stainless,we use ABS and plastic material,So the price is very cheaper

 Alarm for high/low temperature, power failure,.

Optional is chart recorder.

XC-240L:US$700(ABS)

XC-280L:US$800(ABS)

XC-1000L: US$1500(Stainless steel)

But the temperature is very steay,keep 4+/-1C