12V 24V 48V Digital Battery Capacity Universal LCD Display Car Motorcycle Lead Acid Lithium Battery Monitoring Voltmeter M89BOOTDTYFeautres:Reverse connection protection and there are only two wires, easy to connect and use. LCD screen with blue/green/white backlight. Equipped with PVC film, the surface is waterproof. Built with a buckle, no mounting screw. When enabled, the power percentage is displayed and the remaining battery is displayed visually. Specification: Type: Battery Capacity Voltage Meter Material: HTN /-PCBaga: Approx. 13.7g. Product Size: 43.3*23.6mmOpen Hole Size: 40.8*20.8mmStandard Voltage: 12-48V.Application Area: Battery or Devices with Battery. Operating Temperature: -10 - 50C.Package Contents:1 x Battery Capacity Voltmeter.1 x Cable. Note:1. Please allow slight errors due to manual measurement.2. Different colors of your monitor may vary. Thank you for your understanding.