Monocrystalline Silicon Solar Panel: Features a high-efficiency monocrystalline silicon solar panel for reliable outdoor power generation High-Power Spotlight: Provides bright, wide-angle illumination for outdoor activities, ensuring clear visibility in various conditions Multi-Function Side Light: Ideal for emergency work, home lighting, reading, and power outage situations, offering versatile illumination Stepless Dimming Control: Adjust brightness with a rotary knob for precise control over lighting levels, thanks to stepless dimming 3W Energy-Saving LED Bulbs: Low-power consumption LED bulbs, perfect for outdoor survival, construction work, and emergency night market lighting Multi-Function Audio System: Includes a built-in radio and Bluetooth music playback for entertainment on the go Power Bank Functionality: Compatible with various electronic devices, providing charging support for smartphones and other mobile gadgets Large-Capacity Lithium Battery: Equipped with a high-capacity lithium battery for extended bright lighting duration Specifications: Lamp beads: 1W portable lamp + flood diode tube + 3W external bulb Battery: built-in 4 18650 lithium batteries Battery capacity: 8000mAh Input: 4.2V 500mA Output: 5V 1A Net weight: 1.1kg External light source: 5V 3W LED bulb x3 Light source line length: 5 meters with switch Solar panel: 6V 600mA 3.5W Size: 215x170mm, solar panel 260x145mm Charging: DC charging + external solar panel charging Lighting time: 24-72 hours Function: radio/Bluetooth transmission and playback/support TF card expansion/internal magnetic large speaker/flood emergency light/long-range searchlight