Features: Main thing is the use of a larger screen 2.33inch screen and the addition of the chip SY6970 for phone. Continuing way of the T-display, the case is ABS, and there is the expansion of the camera module through POGOpin for the use of a built-in module. Built-in 3.8V 470ma battery. Two integrated port, and a battery power switching. Optional MPU9250 IMU module is also available internally. The interfaces shown in the picture is a sample routine, not a function that this product have. Specific onboards features are subject to detailed descriptions. Suitable for developers and enthusiasts, this development board serves as tool for creating sophisticated applications and technical projects. Specifications: Component:ABS Type:White Case/White+Orange Case Size:Approx.7.2x3.2x1.8cm/2.83x1.26x0.71inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1Pc Development Board