size in 4cm L * 2cm W * 1.5cm H, led finger ring, including 3pc AG3 batteries, differ color fing ring including differ light.

1. finger ring size in 4cm L * 2cm W * 1.5cm H, including stretch belt which wear in the finger.

2. including 3pc 1.5V AG 3 batteries.

3. differ finger ring is differ color light, such as red finger ring is red light, white finger ring including white light, blue is blue light.

4. turn on light by button on the top of finger ring, and turn off by hand too.

5. total red, blue, white & green four color, light is these four color too.

6. 4pc per set, packed into blister.

laser finger light beams