VST-7009V 4 In 1 Digital Car Thermometer Voltage Meter Luminous Clock Tester Detector LCD Monitor Back light, 4 In 1 Thermometer Voltage Meter Color:Green Light Supports dynamic microphones and condenser

Supports dynamic microphones and condenser microphones with built-in power supply

You will be able to enjoy LED ring light at any time free

compatible with USB2

Less noise

VST-7009V 4 In 1 Digital Car Thermometer Voltage Meter Luminous Clock Tester Detector LCD Monitor Back light, 4 In 1 Thermometer Voltage Meter Color:Green Light Supports dynamic microphones and condenser1. Easy to install and use, a perfect accessory for your car. Powered by car cigarette lighter charger or 2 x LR 44 batteries 2. Backlight will open when the clock is powered by car cigarette lighter, there would be no back light when it is powered by backup batteries 3. When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen 4. Car battery voltmeter,