Product specifications:Product Name: Digital Temperature Control Flower Seedling Heating Pad/MediumPower: 50WInput voltage: American standard 110V-130V/European standard 220V 240V/Australian standard 220V 240V/British standard 220V 240VSize: 25cm * 52.5cmInches: 10 * 20.75 inchesPackaging size: 27 * 23 * 4cmNet weight: 445gGross weight: 538gPacking specification: 26PCS/box, outer box size: 43 * 34 * 33CM, weight: 15.3kgHeating wire material: silicone wire heating wire+needle punched cottonSurface material: PVC rubber board, high temperature and corrosion resistantHeating temperature: adjustable around 20-45 degrees CelsiusWaterproof rating: IPX4Product Function Description:By heating and controlling the temperature of the heating pad, the environmental temperature of the plant roots is maintained at around 68 F to 86 F (20 C-30 C), which increases the activity of the plant roots and the germination rate of seeds, resulting in taller and stronger plant growth.Product parameters:1. Power supply: AC~110V/220V/to be distinguished2. Adjustable temperature setting: 20 C (68 F)~45 C (113 F)3. Display: Fahrenheit/Nie degree can be displayed, press the button to switch4. Operation: Four buttons, namely: power on/off button, - button,+button, SET buttonTechnical specifications:1. Power connection:After the plug is connected to the AC~110/220 socket, if there is power and the device is normal, the display screen will show 888 and the two LED lights above it will be on. After 2 seconds, the display screen will show OFF. If there is no power, there will be no display.2. Press the power button:When turning on, the display screen changes from OFF to showing the current measured temperature in Fahrenheit mode, and the Fahrenheit indicator light is on. To switch between Nie's degree, press the SET button to switch. The default display screen shows the actual temperature of the temperature sensing line, and the temperature index of the display screen will change according to the temperature you set and the ambient temperature. If you want to see how much temperature you set, you need to quickly double-click the SET button to enter the temperature adjustment process. The display screen shows the temperature you set. If you want to see the temperature index process of the heating pad rising, you need to place the temperature sensing head of the temperature sensing line on the heating pad, and the temperature index will change on the display screen. When using, the heating pad product must be laid flat, and power on when turning off. In this case, the display screen shows OFF, and both the Fahrenheit and Celsius lights are turned off, stopping heating and temperature measurement, After unplugging, the display screen will turn off.3. Fahrenheit and Celsius switching:Press the SET button to switch the measured temperature values, and the corresponding red indicator lights for Fahrenheit and Celsius will turn on and off.4. Set temperature adjustment:Double click the SET key quickly to enter the temperature setting mode. The display screen will flash twice to indicate the temperature setting value. Press the - key to decrease the set temperature and decrease it by 1 at a time; Press the+key to increase the set temperature and increase it by 1 at a time. The highest temperature is 45 C and the lowest temperature is 20 C. If 45 C is displayed, press the+sign