Mini Led Flashlight Built In Battery Zoom Focus Portable Rechargeable 2000Lumen Adjustable Penlight Waterproof Led Light Outdoor Description:Body color: blackLumens: 2000LMReflector: convex lensLED model: LEDBattery: built-in 14500 batterySwitch: rear cover press on/off (high stroboscopic COB)Voltage: 4.2vSpecifications:Super mini size, bright and dazzling effect.Slip resistant design and wasserdichte design.Brightness output up to 200 lumens (MAX).Adjustable focus range, suitable for different purposes, adjustable focus.The clip is easy to wear.The operating voltage is wide, and the battery can be used to the maximum.Suitable for hunting, cycling, mountaineering, camping and outdoor activities.Note: Please avoid direct contact with eyes. Remember to charge the battery if it is not used for a long time.1 Switch instructions1. The positive pole of the battery faces inward (beyond the lamp head) and the negative pole faces outward (at the tail).2. The switch is at the tail. The switch function is to support the safety switch, which is a switch function, and the light adjustment function is to gently press the switch.2 Instructions for use of circuit board1. Our flashlight adopts advanced voltage and current stabilization technology, which can effectively solve the requirements of LED flashlight for voltage and current stabilization.2. Special tips: a. Do not use the flashlight under overpressure, and the voltage should not exceed 4.2V. b. The positive end of the battery should face forward, and do not reverse it, or the board will burn. c. Pay attention to controlling the temperature change of the flashlight to ensure heat dissipation. d. Non professionals should not open the circuit board