M2 DC MultimeterAccurately measures and monitors the voltage of two batteries and the current of 1 circuit. Supports programmable shunt ratios.Features: Auto-dimming, bright OLED display is easy to read Easy to adjust 92dB alarm on all models Isolated MOSFET relaySpecifications: Meter: Current, VoltageFunction: 8 to 70V, to 5000A (500A with included shunt) Alarms: High Current, High/Low Voltage Display Size: 55mm x 28mm Input Voltage: 7-70V DC Maximum Power Consumption: 1.00Watt Minimum Power Consumption: 0.3 WattWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.