The SmartAlarm has similar functionality to the SmartGuard, but is smaller and includes a programmable low voltage alarm. Being lightweight, the SmartAlarm can also be used as an on-board battery monitor and when combined with the remote twin 90dB sounder with LED it can give you live audible battery warnings in flight.
Lithium Battery Cell Count: 1~8 Cells
Lithium Cell Low Voltage Alarm Range: 2.0~4.0V
NiCd, NiMH, Pb Pack Voltage Range: 3.3~24.0V
Pack Low Voltage Alarm Range (NiCd, NiMH, Pb) 2.0~20.0V
Voltage Display Resolution: 0.001V
Current Loading of Test: 24mA
Weight: 23g (Main unit)
Dimensions (L x W x D): 67 x 39 x 13mm