Temperature control feature: As the temperature increases, the resistance decreases exponentially. UART uses the same port with the Bluetooth module, can use UART communication with the upper computer. Power board: With the function of turning on by pressing the button; There are five lights on the board, 4 yellow lights, one red light, each yellow light represents 25% electricity. The red light represents the power board status indicator, which is always on Touch LCD screen: can customize the related icon or LOGO, supports 485 and UART communication, only some parameters can be changed. 485 baud rate communication with the upper computer: 9,600/ or 115,200/ CAN baud rate with the upper computer: 250/ or 500/ Material: plastic color: as shown Package Contents: 4 x Accessory Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed