DeepBlue comment:
Very Accurate and Reliable Optical sensor ATO with a reasonable price tag.

DC Electronic Pump 12V
Safe use in Marine or Freshwater
Patent Optical Sensor with different type of angle reflector, every time monitoring on the water level with Anti Water Wave Resistance
A Stabilize Cover with Floating Sensor provides Switch Off & Alarm Function to Stop the Pump . Prevent Dry run to damage the pump
Alarm System
Controller using Plug & Plug lightning socket. Easy to maintenance


Specification
Power : 240V 50Hz DC12V 150Litres DC Pump 2M 8/12 Water Cable Optics / Floating sensor include 120cm Long Pump Cable Length for 140cm