Samlex America Dual Battery Monitor - 12V or 24V - Auto Detection One Size. It can also generate an alarm for over-voltage under-voltage and voltage differences. This battery monitor includes a digital display and a microprocessor based battery voltage monitor. Features/Specifications: Programmable alarm thresholds Multiple battery monitoring Very low power consumption Open Drain alarm output Shallow mounting depth Specifications for Samlex America Dual Battery Monitor - 12V or 24V - Auto Detection: Manufacturer: Samlex America Voltage: 12 volts 24 volts Color: Black Features of Samlex America Dual Battery Monitor Multiple battery monitoring using advanced micro-controller Auto 12V/24V detection Digital display Programmable alarm thresholds Very low power consumption/Power Saving Mode Splash resistant top Easy to install/shallow mounting depth Package Contents: Samlex America Dual Battery Monitor Samlex America BW-03: Dual Battery Monitor - 12V or 24V - Auto Detection One Size