Product features: 1. The light source uses SMT LED, which makes whole light more efficient, long-lasting, energy saving and low consuming. 2. With advanced engineering plastic ABS, the ground and refined casing is heat-proof and vandal-proof. 3. With PMMA, the transparent parts have high transmittance. Light is even rather than dazzling. The surface is frosted to prevent scratches. 4. With 5 level lighting modes(namely high light, working light, weak light, flashing light and stroboflash light) to adjust lighting, it can meet many needs such as lighting, walking, rescue instruction, etc. 5. With precise construction design, it is not only delicate but with good protective performance. IP65. 6. Warm white light source makes lighting more comfortable. Each unit can cover at least 15 square meters. 7. Containing magnet, it can adhere to any iron metal material. 8. Battery is charged by common port, which is simple and easy. By presetting over-charge, over-discharge and short-circuit protection, the product is guaranteed reliable long lifetime. 9. Hand-held, ceiling-mounted, magnet-adhered, it’s easy to light. Specifications: Main parameters Value lithium battery 1 Power W 5 2 Working voltage V 3.7 3 Battery capacity Ah 1.8 4 Waterproof level / IP65 5 Corrosion-proof level / WF2 6 Life time Battery cycles 1000 Light h 100000 8 Working hours Strong h 5 Normal working light h 10 Weak working light h 15 9 Dimensions Height mm 40 Diameter Of Lamp Cap mm 70 10 Weight g 90