LED light display temperature controller 40-60 degrees 6 temperature setting Level 4 is set at 30-120 minutes On: Press the power switch, and the thermostat displays the third-gear temperature (the heating pad defaults to the third-gear temperature). At the same time, the heating indicator lights up. Every time you press the up button, the temperature will increase from 48 degrees by 4 degrees to 60 degrees.Press the down button every time, the temperature drops one step from the degree of residence.The heating indicator is on in the working state, indicating that the product is under heating. Close: Press the power switch at any working temperature position, the thermostat will not be displayed, and the indicator light will be off, indicating that the heating function of the heating pad will be turned off and the heating pad will enter the standby state. Temperature setting The warm temperature range is 40 degrees /104F Low temperature range: 45/112F Medium and low temperature range: 48/119F Medium temperature range: 52C/126F Medium high temperature range: 56/133F High temperature range: 60/140F Time setting Level 4 is set at 30-120 minutes for energy saving and safety Features: ON/OFF Push Switch; IC controller box with LED indication; 6 temperature levels to adjust(40& 8451;/104& 8457; to 60& 8451;/140& 8457;); 4 timer levels to adjust(30/60/90/120min.); Single circuit provides consistent temperature; Fuse inside of controller; Hand and Machine Washable.