VS series professional studio lights start from VS flash. It has streamline shape and advanced shell coating, which looks more fascinating. Then we launch VSD digital video flash, with the use of digital display function, the panel displays work state. We use good membrane switch which make operate comfortable. With the popular of low power VS studio light, we lanuch high power VSD digital video flash.. High power VSD digital video flash has sophisticated digital technology LCD digital display screen. When working, LCD screen reveals the current modeling lamp brightness value, flashlight power value, photocell working state, beeper working state, anti-redeye gear, and flash using times and current voltage. These functions make users understand the functions of their products. We adopt NC mode which is popular controling mode in electrical market, demonstrate a strong fashion style.