100% high quality Type: Book Light Ideal: Travelling/Reading Clip opens: 3 cm wide. Size of Clip: 8(L) x 4(W) cm Arm length: Approx. 18 cm (approx. 7 inch) Batteries: CR1120 x 2 (Included) On/Off Power: Sliding switch on the head. Low Power LED This brilliant portable LED reading light is great for reading Books, Newspapers, Magazine & Kindles in low light areas. The Travel Light comes with a low energy LED light thatThis portable light is great because it is hands-free, clip it on and adjust the flexible neck to suit. Do you travel a lot and need a reliable light, yes? Are you looking for a great gift for someone who reads a lot? Do you need an adjustable light that is self supported for your camping trips, yes? Package includes: 1 x LED Clip Lamp & Internal Batteries.