1) Flexible neck book light hug book light 2)material:plastic 3)power by 2*AAA 4)Product size:3.5*57mm

Flexible neck book light hug book light 

Material: ABS Size:Dia.3.5*57cmBulb type: 4 LED 2LEDs each arm:1 spotlight LED, 1 wide angle LED     Light level control: turn on 1, 2, 3, or all 4LEDs    power by 2*AAA batteryProduct color: have red,blue,green,white ,purple or OEM.

 Advantage:

2 Huglight LED Flexible LightsHands-Free- Gives you light where you need itFlexible Light- Bends into different positions,you can aim your light where you want.