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 or for Debian11 or for Debian12 or for Ubuntu22.04 Ubuntu20.04 or for OS (Arch) and other operating systems. Compact, Affordable and Powerful. 2.4G or 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. Type:4GB RAM Colour:As Shown Material:PCB Package Contents: 1 x Expansion Board 1 x Accessory kit 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.