Clock Thermometer Motorcycle Voltmeter Touch Screen Voltage Meter D7YA -- Features: Touch screen, long press to open/close, bring you a good experience. S7 waterproof, 12-hour and 24-hour switching, maximum-timer 999 seconds. 4-in-1 multi-function meter, equipped with clock, air or thermometer water, voltage meter. Small and compact, unique appearance, easy to use. High quality material, never flash, waterproof, high accuracy. High water temperature/low voltage alarm. The default low voltage alarm value is 11.5v, and the default high temperature alarm value is 75 which can be. Specifications: Material: PC Voltage: 9-24V Dia: Approx. 4.7cm/1.85in Type: Air Temperature/Water Temperature (Optional) Package Include: 1 Set Thermometer Voltmeter Note: The water temperature type needs to be connected with a special water temperature sensor. Red wire connected to the positive pole, the white wire connected to the negative pole, and the blue wire connected to the electric door lock.