The Raspberry Pi Zero W / WH extends the Pi Zero family. The Pi Zero W has all the functionality of the original Pi Zero but comes with added WiFi and Bluetooth connectivity.
Now this new Raspberry Pi Zero WH offers all the benefits of the Pi Zero W, plus 40PIN pre-soldered GPIO headers. It's perfect for everyone who doesn't own a soldering iron or who wants the soldering legwork done for them.
Features

- Broadcom BCM2835 1GHz ARM11 single-core processor
- 512MB RAM
- Added wireless connectivity
- 802.11 b/g/n wireless LAN
- Bluetooth 4.1
- Bluetooth Low Energy (BLE)
- 40PIN pre-soldered GPIO headers
- Micro SD card slot
- Mini-HDMI port (1080p60 video output)
- Micro-USB power
- Micro-USB OTG port
- CSI camera connector
- Composite video header
- Composite reset header
Specifications
- Display and Audio: Mini-HDMI
- USB Port: micro-B USB for data
- Power input: Micro-B USB for power
- Camera interface: CSI camera connector (needs adaptor cable, 0.5mm pitch to pitch CSI)
- GPIO: Unpopulated 40-pin GPIO connector
- Compatibility of GPIO: Compatible with existing HAT addons
- Dimension: 65mm x 30mm x 11.6mm (Approx.)
Kit Content
- 1 x Raspberry Pi Zero W with Soldered Headers