Features:1. 100% brand new and high quality.2. This product has PID self-identification function3. With clear screen display for better readability.4. Wide temperature measuring range 0-4005. Can be used for vegetable greenhouse, domestic water tanks, aquarium, aquaculture and other temperature-controlled systems to control temperature.Specification:Condition: 100% Brand NewModel: REX-C100FK02-M*ANWith PID self-identification functionInput Signal: K-type ThermocoupleTemperature range: 0-400With PID self-identification functionMaster output: relay contact output (relay)Alarm function: NoWeight: Approx. 146g / 5.1ozMounting Hole Size: 45 x 45mm/1.77 x 1.77inProduct Size: Approx. 85 x 48mm / 3.35 x 1.89inPackage List:1 x Temperature ControllerNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..