ES1 Paradox Extension Sensor for WD1 The ES1 Paradox Extension Sensor for WD1 is completely waterproof and symmetric (dual-sided detection) with no active components. It allows you to add an additional detection area up to 2m away, and in situations where water submersion is possible, can be placed anywhere while the WD1 main unit is placed in an area safe to transmit the alarm. Features Extension Sensor for use with WD1 Does not work as a stand-alone product Plug connection and wire cut both supervised If ES1 is connected to the WD1, the IP67 rating is no longer valid New and Original product with the quality of Paradox
