Description: Double display dual temperature control design, a dual-purpose machine, set two sets of temperatures, high performance, temperature control performance and accuracy are very prominent. Simple control panel design, wide temperature control range, simple setup, generous appearance and reliable quality. Celsius Display, 2 Channel Relay output, Switch Between Cooling and Heating Modes Temperature Measuring /Control Range: -50 to 110 With waterproof NTC 10K senor Specification: Material: ABS + Electronic components Temperature Measuring Range: -50 ~ 110 Temperature Control Range: -50 ~ 110 Temperature measurement accuracy: 0.5 Temperature control accuracy: 0.1 Input measurement: NTC10K Probe L = 1 meterwaterproof Supply Voltage: DC 12V Output Type: Relay Output(Output Switch) Data preservation: Yes Working Temperature: 0 to 50 Storage Temperature: -10 to 60 Size: 7.6 x 5.5 x 3.1cm Package Includes: 1 Piece Dual Digital Display Temperature Controller Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !