Raspberry Pi Zero WH card with a 40-pin GPIO connector.
Processor: ARM1, Broadcom BCM2835, Single-core 1GHz
Memory: 512 MB
Connections: 1x micro SD card, 1x mini HDMI, 1x micro USB OTG, 1x CSI, 1x GPIO
Communication: WIFI 802.11b / g / n WLAN, Bluetooth BLE 4.1