Combination WiFi + Bluetooth 4.0 USB Adapter Brand_PiFace you can use the relay

you can use the relay that can tolerate up to 2A at 24V

This package comes with a CSN-A2 thermal printer including the print head (it does not require ink

Power: 18W

while also being much more flexible for advanced users

Combination WiFi + Bluetooth 4.0 USB Adapter Brand_PiFace you can use the relayAdd both WiFi and Bluetooth capability to your computer super fast with this USB Bluetooth WiFi Dongle! This little two faced cutie is so versatile! Its WiFi half can be used to make Internet of Things devices cable free or we also love to take advantage of a single board Linux computer's USB ports to add a low cost, but high reliability wireless link. The Bluetooth side of things can be used for all kinds of BLE connectivity projects and devices.