Please note: The Deauther Wi-Fi Watch can only be used for testing and education purposes on your own device! Please refer to the following instructions for downloading the firmware and software. The ESP8266 only supports 2.4GHz. Upgraded version: and redesigned circuitry with better performance and appearance, while they are wrapped by the 3D printed transparent case and soft silica gel strap, moreover, equipped with an improved software system, easier to use. Same WiFi test tool: installed with Deauther'ESP8266 latest software, the watch can perform different secure tests for your WiFi networks, and it can be used to develop your own software, it is indeed a ESP8266, easy-to-use development board. Deauth Detector Expandable 1: The Deauth watch now has the buzzer function, which is not visible on any version of Dstike watches before, so you can flash the Deauth detector software with great convenience. Enhanced Expandable RTC 2: The Deauther watch can still run the RTC even when the watch has been turned off for months. Specifications:Item Type: Deauther WiFi Watch Material: ABS Weight: Approx. 114g / 4.0oz Authentication Attack: Disconnect 2.4G WiFi Deauth Beacon: Create a Fake Network Deauther Detector: WiFi Confusion Tracking Packet Monitor: GOIOS WiFi Traffic Display & Hardware Information:Display: SH1106 1.3 Organic Light Emitting Diode SDA Display: GPIO 5 SCL/SCK Display: GPIO 4 WS2812b LED: GPIO 15 Up Button: GPIO 12 Button Pressed: GPIO 13 Button Selection: GPIO 14 Side Button: RST Built-in lithium polymer battery: 500 mAh Package List: 1 x Watch 1 x Manual 1 x Charging Cable