1.transformer built-in,4 relays built-in
2.enter parameter adjust by password
3.defrost type(defrost by turning off compressor/electric heater/hot gas)
4.high low temperature alarm
5.door switch detection,alarm output
6.energy-saving function
7.range:-45~99 Celsius
   accuracy:plus or minus 1 Celsius
8.compressor:30A/250VAC
   defrost:10A/250VAC
   evap.fan:5A/250VAC
   alarm output:5A/250VAC
9.dimension:77*35*60mm
    mounting hole dimension:71*29mm