Feature:1. Suitable for Motorbike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer, etc.2. Twist-and-Lock system. Display: 3-bits, LED digital tube, lamp display is optional (Red, White, Blue, Green, Orange).3. Work for 5V-48V, mini size and easy to install, great for checking Voltage.4. The ON OFF Switch makes it easy to use and also save energy.5. Support battery voltage value and capacity percentage of battery display.6. The meter enables you to easily read LED segments, and connect to your 12 volt system.7. Used to monitor the storage-battery voltage, with reverse connection protection function, line will not be burnt.8. Make you know the state of battery voltage timely, voltage measurement purposes can also be used for other products.9. about 5s to turn on or turn off the power.Note:Long press for three seconds to turn off the display function, short press to switch the power and voltage.Specification:Features: Waterproof; Flame retardant materialMeasure Voltage: DC 5V - 48VColor: BlackSize: 37x17mm / 1.5*0.7inInterface Type: Anode and cathodeMaterial Eco-friendly: PlasticLED Display Color: Red, White, Blue, Green, Orange (Optional)Application: Universal for all Cars, motorcycles and other universal modelsPackage Included:1 pcs* DC 5V-48V Voltmeter with ON OFF Switch Dear buyer,Welcome to our store. if you want buy more than we listed, please contact us.If you need more this item ,you can contact us.we will give you our best price. Leave your message