Features: Color screen display and digital display clearly show the voltage. Used to monitor the storage battery voltage, with reverse connection protection. Timely grasp the state of your battery between full charged and discharged. Waterproof design with mini size, very easy to install. The indicator in the middle will twinkle to alarm when the voltage is more than 30V. Universal fits most DC 24V Motorbike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer etc. Voltage measurement purposes can also be used for other products. Specifications: Material: PA66 environmental protection material Shell Color: Black Interface Type: Anode and cathodeMeasuring Range: 5-30VWaterproof Level: IP65 Installation Dimensions: open hole 29.2 mm/1.149'' Suitable For: 24V car, motorcycle, boat Package Weight: approx. 30g Package List:1 x LED Panel Voltmeter2 x Connecting Wires 1Color screen display and digital display clearly show the voltage 2Used to monitor the storage battery voltage, with reverse connection protection. The indicator in the middle will twinkle to alarm when the voltage is more than 30V 3Timely grasp the state of your battery between full charged and discharged 4Waterproof design with mini size, very easy to install 5Universal fits most DC 24V Motorbike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer etc. ?Voltage measurement purposes can also be used for other products