Product: Mini flashlight Size: 82mm Material: ABS Weight: 42g Gear: Strong light - Medium light - Weak light - Burst flash - Double click Lamp core: High brightness lamp core Waterproof level: Life grade waterproof Battery: Built in lithium battery Specification Product material :ABS plastics Charging interface type: Type-C Charging time: about 4 hours Using battery: 16340battery Input current: 5V/0.5A Battery capacity: 700mAh Product size: 82 * 30*30mm Net weight of product: 57g (including battery) Lumens:>350Function: Strong light - Medium light - Low light - Burst flash - SOS - Off, press and hold for 3 seconds, super light for 30 seconds, and automatically shut down. Charging method: The charging red light remains on, and the fully charged to blue light remains on