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