I recently purchased my third Siren Wireless Temp Sensor. I have one for my fridge, one for my freezer and now one for my house battery box. That is intended to alert me to a runaway voltage regulator overcharging and this over heating our 660 amp battery box which could lead to fire. I also have sensors for High Water, Bilge Pump On/Off, Shore Po
...Read MoreRead more about I recently purchased my third Sirenwer On/Off, and battery Voltage. Overall, I love my Siren monitor system!!! Read LessRead less about I recently purchased my third Siren