+12V Digital Thermostat Temperature Switch Control with Waterproof Sensor

Instructions for use：

Connect the power supply and equipment, the measuring temperature is displayed, press the "SET" button, 
press " + or - " to set the desired temperature (long press " + or - " to quickly increase or decrease), 
press "SET" to confirm the setting and return, controller automatically performs the relay ON/OFF. 
the thermostat output is 10A relay, meet a variety of high-power loads. 
LED Indicator: LED off indicates the relay off; Lighting,indicates the relay is closed. 
Digital LED Tubes: "LL" indicates sensor open, "HH" indicates overrange, 
the relay will be forcibly disconnected; "---" indicates high temperature alarm 
Long press the "SET" button to enter the main menu settings, 
press " + or - " to switching between P0-P6, 
then long press "SET" or 10 seconds without keystrokes to confirm the setting and return. 

Buttons: 

P0 :Cooling / Heating; Range: C/H; Default: C 
P1 :Hysteresis Setting; Range:0.1-15; Default: 2 
P2 :Highest Setting Limit; Range:110; Default: 110 
P3: Lowest setting Limit; Range:-50; Default: -50 
P4 :Temperature Correction; Range:-7-7°c; Default: 0°c 
P5: Delay Start Time; Range:0-10 Minute; Default: 0 
P6: Key Tone Switch; Range:0-110; Default: Off 
When the Thermostat is power off, long press "- or +", you can restore the factory settings