Please check all parts to ensure they are fully equipped. Connect the USB cable to a charger or computer when using for the first time. A red light on the base will turn on when connected to power; charging takes approximately 3 hours for a full charge. To use the clamp, detach it from the base and attach the table clamp in the desired position where plywood thickness is less than or equal to 40mm; rotate the lamp body to the optimal angle. The base features a touch switch with PWM dimming functionality. A tap of less than 550ms turns the light on or off. Touching for more than 550ms activates the dimmer functioncontinuously touching increases or decreases brightness gradually until released. If touched for over 3 seconds, brightness cycles to maximum or minimum and stops changing, repeating the cycle upon continued touch. Model: -9006 Lamp working voltage: DC5V Light source: 6 LED Rechargeable battery: 400mAh Lithium Cell Power: 0.5W Luminance: 30 Lm Color Temperature: 6000K Source lifespan: 25000h Color: White Material: ABS Package Contents: 1 x LED Table Magnifier 1 x USB Cable 1 x Base Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement allows an error of +/- 1-3cm.