Features: ESP07 changed to ESP07s: With an external 3dB antenna, it could search more signal thanV3. You can also add bigger antenna to theSMA connector. Added Atmega32u4: I flashed bootloader already. You can program it as bad usb directly. When bad usb port connects PC, press DP9 button and window will be opened. Press DP10 button and Notepad will be opened. You can reprogram it viaIDE. Bridge: There are empty solder pads at the back of this watch. You can solder them to connect ESP8266 with atmega32u4. For example, if you solder chip pads, this watch could becomewifi duck. Battery: 800mAh battery is upgraded to 1000mAh. There are more space inside to put bigger battery instead. Design: 3D case has been redesigned. Added bottom acrylic board to protect this watch. Charging: There are two USBs. Each USB could be used to charge battery. But I do not suggest you use them at the same time. Specifications: Types：V4 Deauther Attack: Disconnect 2.4G networking Deauther Beacon: Create fake networkings Deauther Probe: Confuse networking trackers Packet Monitor: Display networking traffic Bad USB Attack: The Human Interfaces Device Attack Size:approx 9x10cm/3.54x3.94in Package Includes: 1Set DDB Watch note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurme