The Optical lamp designated 1022614 (Optical lamp N - 115 V, 50/60 Hz) also have a US electrical supply adapter included.
Power supply: Via plug-in supply adapter, 5 V DC, 0.35 A
Socket type: Co-axial connector, 5.5 mm x 2.5 mm
Colour temperature: 4000 K (neutral white)
Ambient temperature: 5°C to 40°C
Atmospheric humidity: 80%
Protection type: IP20
Dimensions: 70x70x51 mm approx.
Weight: 150 g approx. (including plug-in supply adapter)