1. The input voltage is DC12V, which can be installed on motorcycles, cars, and ships for use; 2. Adopting PC environmentally friendly, flame retardant, high and low temperature materials, with a very high safety factor; 3. products come with reverse connection protection and short circuit protection, which not burn when connected in reverse; 4. black shell, color screen, and compact workmanship make the product look exquisite 5. products are designed as color screens, and when the product reaches a certain level, the displayed colors are different, which can more intuitively show the current usage status of the battery Light color: Colorful Input voltage: DC12V Voltage test range: 5-15V (red light on 11.3V-11.9V; yellow light on 12.0V-12.5V; green light on 12.6V-15V) Waterproof grade: IP65 Product Name: 12V Color Screen Voltmeter Opening size: 3cm Product purpose: It can be used to detect the voltage of car batteries, solve hidden dangers and financial losses caused by battery damage Scope of application: The battery can be used in any 12V vehicle, such as motorcycles, cars, RVs, yachts, boats, etc Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Black Material:ABS Package Contents: 1 x LED Digital Voltmeter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.