LED Twin Wireless Desk Lamp Black 25000 hours . Wireless, rechargeable, portable lamp with built-in battery. USB cable included. LED lamp with a swivelling arm to adjust angle and direct the light. 3 shades of colour: white, yellow and natural. Intensity dimmer for lighting control Timer: automatic shut-off after 40 minutes. Environment friendly and energy saving LED technology. This product is environmentally friendly and 90% recyclable. Lighting type: integrated LED panel Luminous intensity: 280 Lumens Color Temperature: 2700 - 6500 Kelvin (K) CRI Index: 90 Ra Lampshade : Length: 27 cm Width 6 cm Arm length: 36 cm Weighted base: Diameter 17 cm