With the ES03-WIFI , Silverstone presents a practical WiFi switch with which a PC can be switched on, restarted and switched off remotely. The small adapter\'s WLAN interface enables the PC to be controlled from anywhere - all you need is a smartphone with internet connectivity.The small switch is plugged into the internal USB port of the mainboard and thus supplied with power. The adapter is then connected to the corresponding pin headers \"POWER SW\", \"RESET SW\" and \"4-Pin-Speaker\".Technical details:- Dimensions: 25.2 x 8 x 45.6 mm (W x H x D)- Weight: 4.7 g- Colour: Black- Frequency band: 2.4 GHz WiFi- WiFi standard: IEEE 802.11b / g / n- Operating temperature: -40 C to 70 C