The medium-size Ambu Blue Sensor Q features highly conductive wet gel, superior adhesion, and a large measuring area to ensure optimal signal quality during medium-term applications.Thanks to the special occlusive backing material, the electrode will not absorb liquids.The Q is also available with a pre-attached lead wire.?ÿ Highly conductive wet gel Superior adhesion Large measuring area Occlusive backing material Unique offset concept High-quality Ag/AgCl sensor Available with pre-attached lead wire