Raspberry Pi Zero WH Features and Specs: Processor: BCM 2835 SOC Clock speed: 1GHz RAM: 512MB Built-in Wireless: BCM43143, WiFi + Bluetooth 4.1 + BLE (Bluetooth Low Energy), same as Raspberry Pi 3. Memory: micro-SD Display and Audio: mini-HDMI USB Port: 1 x micro-B USB for data (with power too) Power input: 1 x Micro-B USB for power (no data) Camera interface: CSI camera connector (needs adaptor cable, 0.5mm pitch to pitch CSI) GPIO: Pre-soldered 40-pin GPIO connector, compatible with Raspberry Pi Zero v1.3 and Raspberry Pi 3. Compatibility of GPIO: Compatible with existing HAT addons Dimensions: 65mm x 30mm x 5mm