Features: Can be used for testing battery voltage and capacity for electric motorcycles, motorcycles, golf cart, automotive-, car, marine, RV-, boat-, etc. Suitable for 7-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium- battery, lead-acid,AGM- battery, LiFePO4- battery. Default 12 volt- lead acid battery. Input reverse connection protection.The battery not waterproof and it only be used for indoor;The product had gotten- the CE-certification, ,it will not be heated even which is used for long time-. The battery monitor can set low & high voltage buzzer alarm and short press"M-"key- can switch- voltage and temperature. The battery tester with power-off memory function,it can retain settings when power is removed. Specifications: Material: plastic Size: 64x36mm/2.5x1.4-inch Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xBattery Monitor