This product contains two 2.5x magnifying glasses, which could be moved and collected. Double white lights are set in the head of wrench; it is all plating, strong and durable. The head of wrench is outward and it could illumine internally when inserting lock cylinder, and then, you could clearly see each lock blade, which will bring great convenience to unlock the keys and make keys. The wrenches are four kinds: the width of head: two are 2.5mm, one is 3mm, one is 3.5mm; the wrenches and three new unlock needles are composed of one set. The power supply is one 12V battery, which could continuously work for 10 hours. The spring of wrench is strong, which effectively increase the hand handle and could automatically rotate around.