Features [12V Motorcycle Voltmeter] LED display, motorcycle voltmeter is very suitable for monitoring battery status. You can use it on your motorcycles, cars, trailers, etc. Does not include brackets. [Three-in-one LED display] The upgraded three-in-one LED display is not only a motorcycle voltmeter, but also a thermometer and a timer. Easy to use, switch at any time. WaterproofIP67 waterproof function. You can ride freely on rainy days without being damaged by the rain. [Flashing warning function] Low voltage 12V or high voltage 16V will execute the flashing warning function. [Large screen] The large screen is clearly visible. It can be used during the day, rain and night. [New start mode design] The LED display screen performs self-checking when starting, which is similar to the start-up style of a car instrument. [Easy installation] There are only three wires, the red and black are connected to the positive pole, and the green is connected to the negative pole. No separate power supply is required. The connection is simple, easy to use, and waterproof. Safe to use. [Wide application] Voltmeters are widely used in automobiles, motorcycles, bicycles, substation automation, power distribution automation, test equipment, voltage regulators, etc. [Multiple installation methods] Choose appropriate installation methods according to different situations to achieve the best results. Specification: Applicable models: 12V motorcycle Waterproof rating: IP67 waterproof Product material: transparent acrylic Stand power cord length: about 47cm Voltage range: 6V-30V Voltmeter color: Red, White, Green, Blue Additional function: low voltage, high voltage warning function TIME SETTING METHOD And Wiring: Step 1: In the power on state, long press the key for 2 seconds and then flash for a short period of time, indicating that the hour setting is entered. At this time, each short press of the key will increase by 1 hour (24-hour system). Step 2: After the time value is set, long press the key again for 2 seconds, and the minute segment flashes, indicating that the minute setting is entered. At this time, each short press of the key increases by 1 minute. Step 3: After setting minutes, press and hold the key again for 2 seconds to exit the time setting. Step 4: Connect the red wire and the black wire to the positive electrode of the battery, and the green wire to the negative electrodeso that the product can be normally lit. Step 5 Flicker warning function for low voltage (below 12V) and high voltage (above 16V Packing List: 1 * Voltmeter(4 colors available) Notes: Due to manual measurement, please allow an error of 1-3mm Since the monitors are not calibrated to be the same, the colors of the items shown in the photos may be slightly different on your computer monitor. The actual product shall prevail