Item type: Digital temperature controller Model: XH-W3001 Output Type: Direct Output Output capacity:10A max Power Supply: AC110-220V Temperature Measurement Range: -50 Celsius~110 Celsius Temperature Control Range: -50 Celsius~110 Celsius Temperature Control Precision: 0.1 Celsius How to set 1. Press up button show the starting temperature. 2. Long press UP button the temperature display Flashing , Press the UP or Down button. 3. Set the start temperature value. 4. Press Down button show the Stop temperature. 5. Long press Down button the temperature display Flashing , press the UP or Down. 6. Button Set the stop temperature value Colour:Gray+white Material:plastic Size:60x45x31mm Package Contents: 1x LED Temperature Controller Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.