Single adjustment arm piano lamp (maximum inclination: 45 %) - Power: 10 LED - Shade: Swivelling to direct light - Brightness: Two brightness levels selected with one push-switch - Base: Heavy-duty metal, rubber padded - Consumption: Low - Batteries: 3 x 1.5 V AA (included) - Power adapter: 5 Vdc / 500 mA, 3 m cable (included) - Shade width: 30 cm (12) - Lamp height: 35 cm (14) - Base diameter: 12 cm (4.7) - Weight: 0.85 kg (1.9 lb) (without the power adapter)