ITEM NAME:12V Lead-Acid Battery Cap Temp Volt Monitor Multi-Function Battery Capacity P4O7 12V Lead-Acid Battery Cap Temp Volt Monitor Multi-Function Battery Capacity P4O7 APPLICABLE BATTERY ---digital battery monitor is suitable for 10-100V (12v)lithium battery, lead-acid battery, lithium iron phosphate battery, Ni MH battery. APPLICATION --- this multimeter can be used as battery voltage meter, battery capacity tester and temperature indicator panel for car, marine, RV, boat, etc. PROTECTION --- the battery power detector comes with protective shell, dustproof waterproof surface; input reverse connection protection. LCD DISPLAY --- the battery status reader adopts clear LCD color screen, displays battery capacity, voltage, temperature value(switched by the key). ALARM --- if low voltage, red indicator flashes and buzzer alarms. color: grey Voltage: DC12V Material: ABS + electronic components Package Contents: 1 * 12V Lead-acid Battery