Sofirn SC13 519A is a powerful mini flashlight. At just 2.54 inches tall and weighing 1.41 ounces, the SC13 doubles as a carry-on keychain flashlight. This little thing emits a beam of up to 1100 lumens and reaches a distance of up to 150 meters. Tiny but mighty. Get the desired illuminating whenever you are night walking, working, in emergencies, etc. Package including: 1* flashlight, 2* Replace Orings,1*18350 battery,1*USB charger, 1*lanyard Specifications v Emitter:High-powered LED*1 v Battery Option: 1×18350 battery v Working Voltage: 2.7V-4.2V v Mode Operation: Side e-switch v USB Type-C charging v Material: AL6061-T6 aluminium alloy v Water Resistance: IP68 waterproof v Size: 28.5mm ( head diameter) *64.6mm(length) v Weight: 40g(without battery) v Reverse polarity protection from improper battery installation. Safety Instructions v SC13 is a powerful mini flashlight. Never stare into beam or point it directly at a person, or moving vehicles. Doing so could cause retinal damage. Please do not allow children to play with it. Strobe mode may cause seizure in persons with photosensitive epilepsy. v Operating SC13 for a long time in high powered modes will quickly heat up the flashlight. This is normal. v Pay close attention to the proper installation of the battery. Alwayscheck that the positiveend of the battery faces the flashlight's head. v Please unscrew the light bodyhalf a turn or rotate the clip to the switch position to avoid unwanted activation during transport. It also prevents the battery from draining while the flashlight is in standby. v Never leave your SC13 with its face against any surface, including skin, while in operation. Transport or store the SC13 in a way that minimizes the chance it can accidentally be turned on. The resultant heat build-up can cause a fire, burns or damage the flashlight. SC13 SST40 (6000K): 1300LM  217m SC13 519A (5000K): 1100LM  150m