Description:1. Focus adjustment to suit different applications and increase scene utilization2. Wide working voltage and wide range of applications.3. This product is well made and impeccable in detail. The lamp holder adopts OSRAM high-power bulb, and its brightness is which is not less than that of a large scale flashlight with strong light.4. This mini flashlight has a zoom function at the same time5. Small Size for Convenient CarryNote: This flashlight can use ordinary 1.5V No.5 battery or 3.7V 14500 lithium battery, both of which are common. Due to the size of the battery voltage, the brightness of the 14500 lithium battery is about twice as bright as that of the No.5 ordinary battery. The battery should be provided by yourselfSpecifications:Electronic material + metalWeight: 50gSize: about 13*3*3Color: as shown in the picturePackage included:1*flashlightNotes:1-2cm error may exist due to manual measurement, please understand. Color deviation may vary due to different monitor settings. We provide you with the best product and service. If you have any problem, please let us know and we will solve the problem as soon as possible. Thank you very much.