A device for observing wafers and connections at a bottom of a light emitting diode capsule through a transparent dome, the device comprising: a container including: an outer hollow cylinder having an open top end, sidewalls, an outer section, and inner section, an integral cap at a bottom end, a diameter, and a circular centered perforation located on the closed bottom end of the outer hollow cylinder; an inner hollow cylinder, the inner hollow cylinder is placed concentrically inside the outer hollow cylinder, the inner hollow cylinder having an open top end, sidewalls, an outer section, an inner section, an integral cap at a closed bottom end, a diameter, and a circular centered perforation located on the closed bottom end of the inner hollow cylinder; the circular centered perforation of the outer cylinder and the circular centered perforation of the inner cylinder are vertically aligned, each circular centered perforation covering between one quarter to three quarters of the diameter of the respective cylinders; and a transparent and flexible membrane located between the outer section of the inner hollow cylinder and the inner section of the outer hollow cylinder; wherein the device is adapted to contain water; wherein in a working position, the water and a portion of the membrane located on the circular centered perforations of the inner hollow cylinder and the outer hollow cylinder are pressed downward against the transparent dome of the light emitting diode capsule taking the shape of the transparent dome creating an airtight seal; wherein the wafers and the connections are observed without the need to submerge the light emitting diode capsule in a liquid. an outer hollow cylinder having an open top end, sidewalls, an outer section, and inner section, an integral cap at a bottom end, a diameter, and a circular centered perforation located on the closed bottom end of the outer hollow cylinder; an inner hollow cylinder, the inner hollow cylinder is placed concentrically inside the outer hollow cylinder, the inner hollow cylinder having an open top end, sidewalls, an outer section, an inner section, an integral cap at a closed bottom end, a diameter, and a circular centered perforation located on the closed bottom end of the inner hollow cylinder; the circular centered perforation of the outer cylinder and the circular centered perforation of the inner cylinder are vertically aligned, each circular centered perforation covering between one quarter to three quarters of the diameter of the respective cylinders; and a transparent and flexible membrane located between the outer section of the inner hollow cylinder and the inner section of the outer hollow cylinder; wherein the device is adapted to contain water; wherein in a working position, the water and a portion of the membrane located on the circular centered perforations of the inner hollow cylinder and the outer hollow cylinder are pressed downward against the transparent dome of the light emitting diode capsule taking the shape of the transparent dome creating an airtight seal; wherein the wafers and the connections are observed without the need to submerge the light emitting diode capsule in a liquid.