Cllena DIN Hella Powerlet Plug to Dual USB Charger Socket Adapter with LED Voltmeter for BMW MotorcyclePhoneiPhoneGPSSatNav Green

Specification: Color: Black Material: Copper + ABS Plastic Product Weight: 45g Input Voltage: 12V - 24V Output Voltage: 5V ± 0.25V (USB x 2) Output Current: 2 * 2.1A max. Voltage Display Range: 0V - 24V Dimension: 7.03 * 4.36 * 3.44 cm Multi-purposes: supply power for cellphone, tablet, GPS and other USB-devices Package Include: 1 * Dual USB with Voltmeter Adapter NOTE: The voltage reading will be visible only by connecting to the battery and the voltage also can be read when the cover is engaged.