Descriptions:  This product applies USB interface, vibration switch and also with strong reliability and stability. It has a long service life and can be easily installed which greatly improve its use value, making it an ideal product that does no harm to human body.  Input Voltage: 110-240  Supply Voltage: DC5V  Rated power: 5W  Color:Sliver  Standby current: 10mA  Standby power consumption: 0.1W  Operating temperature: -20-60℃  Product sizes: 19cm*1.7cm*0.7cm  Material: high thermal conductivity aluminum. Lamp shape: acrylic  Weight: 90g    Package Included:  1 x Double side tape   2 x Attaching clamp  2 x Screw  1 x USB cable   1 x Instruction book  1 x Light bar    Notes:  1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.  2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks