MOS Magnetic Optical Sensor Urchins Multi-Light Radion Mounting System -

Multi-Light Radion Mounting System - Arm Kit

Dual probe for safety :The aquarium heater controller will alarm once the temperature difference between 2 probes is more than 5℉(3℃)

no need to assemble the product yourself

The heater(s) can plug into the 12" outlet dongle that is built into the controller and can control up to two heaters at the same time

Max Size 6"

MOS Magnetic Optical Sensor Urchins Multi-Light Radion Mounting System -The Magnetic Optical Sensor replaces our optical sensor with magnet and offers an improved look, feel, and magnetic design that also lends itself to help prevent water incursion into the sensor. This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto top off), as a high level warning sensor in your