name: Double head minor lamp with rechargeable portable lamp Features: Charge + Dual-use dry power Bulb: 1 LED light at each end + COB on both sides (a white lampshade, a transparent lampshade) Charge time: 10-12 hours working time: 13 hours for lighthouses, 6 hours for side lights brightness (LM): 200lm light source: white light, yellow light voltage: (V) USB data cable SAMSUNG 4.2 V-5 V LED life: 100,000 hours (theoretical value) battery: 1. Integrated rechargeable lithium battery (2400mA) 2. Can use 3 AA (3 * AA) dry batteries at the same time Size: Length + Width + Height 19 * 11 * 12cm Weight: 0.4 kg shell material: plastic lampshade ABS environment protection PS transparent organic lens function: the headlights and the side lights are lit in the same Time Case color: blue, green (optional) Application environment: two-head minor lamp for emergency lighting in outdoor camps packing: unique color gift box packing Standard configuration: Rechargeable portable lamp + USB charging + strap + color gift box Please allow a slight difference in the Measurement data and make sure it does not bother you before ordering.