Compact size yet powerful,Allwinner H618 high-performance quad-core -A53 processor, frequency up to 1.5GHz, with low power consumption and high performance. Supports for Android 12 TV/for Debian11/for Debian12/for Ubuntu22.04 Ubuntu20.04/for OS (Arch) and other operating systems. Compact, Affordable and Powerful. 2.4G/5G dual-band Wi-Fi5 and Bluetooth 5.0, support BLE, enjoy the wonderful network anytime, anywhere. Model Number:for Zero 2W1G Expansion Board Demo Board Type:ARM Function:For Zero 2W Expansion Board The product appearance and printed words depending on the batch, but this does not affect use. Memory:1G Colour:As Shown Material:PCB Package Contents: 1 * Expansion Board 2 * accessories Only the above package content, other products are not included. Note: Light reflection 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.