This product is used to supplement or distribute light for photography.It can be mounted on many kinds of digital cameras. Built-in rechargeable lithium battery has a high capacity of 2700mAh. Easy to assemble and use. Features: Built-in rechargeable lithium battery with capacity of 2700mAh, last for a long time and can be easily charged via USB cable. Thebattery level can be known by indicator light. The combination of 120 LED lights driven by professional LED chip, delivering stable light while producing little heat, durable for a long time use. High brightness with luminous flux up to 800lm, the brightness can be selected among 5 levels from 10% to 100%, andcolor temperature is also adjustable among 5 levels from 3200K to 5600K. Cold shoe design for easy mounting on camera and tripod, easy to use. Applications: lighting for photography and live streaming, emergency lighting and so on. Specifications: Material: ABS Color: Black Power: 6.6W Battery Capacity: 2700mAh/3.7V Color Temperature: 3200K-5600KAdjustable Luminous Flux: 800lm Beam Angle: 120 Illumination Distance: 3-5 meters Item Size: 107 * 65 * 15mm / 4.21 * 2.55 * 0.59in Item Weight: 100g / 3.52oz Package Weight: 158g / 5.57oz Package Size: 7.8 * 11.5 * 4.2cm / 3.07 * 4.52 * 1.65in Packing List: 1 * LED Light 1 * Cold Shoe Mount 1 * USB Cable 1 * User Manual (English)