Is Smart Device:No Material:PP/Plastic Switch Type:Touch On/Off Switch Base Type:Wedge Style:Modern Style :LED Bulbs Shade Type:Shadeless Voltage:5V Power Source:Rechargeable Battery Is Bulbs Included:Yes Item Type:Desk Name: LED Desk Lamp Light color: white light; warm light; LED lamp beads number: 40 bright Power supply: USB charging Battery capacity: 2400mAh Stepless dimming: yes Color switching: yes color: White Package Contents: 1 x With Clock Pen Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.