5977861919997952Businesspro MallElecfreaks Octopus Water level sensor Octopus Water level Sensor is the water level electric brick in our Octopus series, the basic design is from the Octopus electric bricks and the setting of its Product #: businesspro-Elecfreaks Octopus Water level sensorhttps://www.businesspro.store/i/VPNVwQgAA2022-03-04 Regular price: $HKD$45.0 Available from: Businesspro MallIn stock