Materials: Full aluminum alloy 

4 times zoom lens, white lighting, can be installed with two AA ordinary batteries;
Can be used to see each piece inside the deep cylinder, the correct position of pins, and its length. 
Front-end part support to change different needles (comes with 2 Needles )
Great convenience on unlocking the car locks, scoping lock pins, assisting to make a new key.
Note: Do not comes with battery