[feature] This product is used for fault warning at night and escape from car accidents, and can also be used as a general lighting appliance. 1. Life-saving hammer/hammer: a sharp and firm hammer, which can break glass and escape in case of an accident. 2. Cutter: Hook-shaped embedded blade, which can be cut off with escape in case of accident. 3. Flashlight: located at the front of the handle, with an independent switch, which can provide continuous lighting. 4. Warning light: located on the handle, with an independent switch, the red light of the LED flashes, and the magnetic head of the product can be attracted to the roof to play an alarm role. There are car families, exquisite and practical, maybe you don't need it once, but in case you need it, it may be the straw that saves your life! Instructions: Insert 2 AAA batteries according to the direction indicated, and close the battery cover. Press switch 1, the top fluorescent bulb will light up for lighting. Press switch 2, the LED will flash. If you encounter problems at night, you can use the bottom of this product to magnetically adsorb on the roof of the car to act as an alarm. In case of an accident, use a knife to cut off the belt and escape when the belt cannot be untied. In case of an accident, when the doors and windows cannot be opened, a hammer can be used to break the glass and escape. Notice: This product is magnetic, do not put it together with metal objects or objects that will be affected by magnetism. Please put this product in the car or at home in case of an accident, do not take it with you. Please take out the battery when using it, and put it in again when needed. Please do not twist the bulb part too much, the battery is unscrewed and installed from the magnet part. [product information] Product NameMulti-function Electric Hammer Warning Light Disconnection Flashlight 4-in-1 Tool with Magnet Suction Cup [Size] 19CM*3CM (length*diameter) [Battery] Two AA batteries (need to be purchased separately by the buyer, this product does not contain batteries) material: plastic [color] yellow Packing list (available after purchasing an item): beg to be excused: 1. Due to the long shipping time, the item may be damaged during the transportation, if the item is damaged, please leave us a message through the official website immediately before leaving a comment, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Color may vary by monitor.