Specification: Item Type: Reading Light Material: Plastic Light Color: White Light Applicable Batteries: 3 x AAA Batteries (Not Included) Product Size: Approx. 17.3x14.7x1.5cm / 6.8x5.8x0.6in Weight: Approx. 119g / 4.2oz How to Use: 1. Open the battery cover behind the reading light 2. Install the three AAA batteries(not included) into the reading light according to the positive and negative labels 3. Flip the switch on the reading light to the ON position 4. After the installation is complete, place the paper on the panel of the reading lamp and start reading Package List: 1 x Reading Light (Battery Not Included) Note: 1. Please allow 02 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.