NOTE :   More than 95% of buyers will regret not buying a package with a battery and a charger, because in their country, the battery and charger are very expensive, and in China, the battery and charger are not only excellent in quality, but also very cheap. Therefore, it is recommended to purchase a package with a battery and charger. • Brand: YUNMAI • Model Name: 2064 • Quantity: 1 PCS • LED Emitter: XHP90.3 • Mode: 5 -Modes ( 100% -  70% - 50% - Strobe - SOS ) Battery compartment : 2 modes ( Red light - Red light strobe ) • Lifespan: 100,000 Hours • Color: Black • Emitted Color: White Light • Lens: Convex Lens • Case Material: Durable aircraft-grade aluminum • Battery:3* 18650  rechargeable battery    Battery Charger: • Input: AC110-220V 47-63HZ • Output: 3.7V; 1A Battery • Quality: 3pcs • Material: Li-ion Battery • Voltage: 3.7V • Capacity : 2600mAh/pcs NOTE : Buy the battery option now, there are upgrade 3pcs 2600mAh 18650 batteries