Features: Deauther watch SE has redesigned outside and circuit. DS3231 could work for several months after you turn off the watch. You can also flash deauth detector software because it has buzzer now. Deauther Watch are still an ESP8266 development board, but you can wear it like a smartwatch. It come installed with the latest ESP8266 Deauther software. With this software, you can perform different attacks to test WiFi networks. Please note that the ESP8266 does only support 2.4GHz. Protect: short, overcharging, over discharging, temperature; Note:This project are a proof of concept for testing and educational purposes. Neither the ESP8266, nor its SDK was meant or built for such purposes. Bugs can occur!Simple to use, just like any other ESP8266 development board. Specifications: Material:Metal Color:Black Size:Approx.4.2x2.2cm/1.65x0.87in Package Includes: 1x Deauther Watch 1x Cable note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.