Specifications:Model: YF-5Working voltage: 7-24V DC / 110-220V AC (Optional)Temperature measurement and setting range: -50.0 ~ 110.0 Measurement accuracy: 0.1 Output power: DC: 10A (MOS tube control) AC: 3A (triac control)Probe length: 1 meterFunction Mode:Three modes: heating mode, cooling mode, manual mode:(Heating mode, cooling mode; automatic intelligent judgment mode, no need to consider)Heating mode:Start temperature Cooling mode:Start temperature> Stop temperature: For example: above 30 degrees, the output works; below 20 degrees, the output stops;Manual mode:Long press the middle button for 2 seconds; exit / enter the temperature mode;Press the output to work; press the output again to stop; can not be controlled by temperaturePackage Included:1 x YF-5 Automatic Constant Temperature Detection Controller