Focal Length:Non-adjustable Function:Shock Resistant Lumen:450 Body Material:Plastic Switch Mode:High/Low Flashlight Type:Emergency Light Charger:Not Applicable Waterproof:Yes Lighting Distance:< 50 m Zoom:No Battery Type:AAA Model of LED Beads:COB LED Description 1. Voltage: 4.5V 2. Power: 3W 3. Size: 37x63mm 4. This product has 3 gear positions, one is strong white light, the second gear is bright white light, and the third gear is strong white light flashing. 5. The product has a key ring, the battery is placed from the back, and the case is opened. 6. This product does not contain batteries.