The ball bulb is wide voltage, good light transmittance, dual power supply chip, stable and bright light. Built-in battery, it can be used as an emergency bulb. Features: PC lampshade, good light transmittance, bright light, not easy to yellow. The ventilation integrated heat dissipation design has good heat dissipation for the light source and prolongs the life of the light source group. Using large power 2835+5730 lamp beads, bright light, high brightness, good color rendering index, less light decay, long life. Adopt dual power supply chip, constant light source group current, prolong lamp beads life, can be fully charged with battery voltage, overcharge cut-off, over-discharge cut-off, short-circuit cut-off. Nickel-plated lamp cap, good electrical conductivity, not easy to spark, not easy to rust. Wide applicable spaces, easy to use in different places, camping, night markets, restaurants, entertainment places, entrances, halls, passages, corridors. Specifications: Material: Plastic Color: Orange, White (optional) Load Power: 12W, 15W (optional) Light Color: White light Working Voltage: 85V-256V 50/60HZ Charging Time: 12 hours Emergency Time: 3-5 hours Lamp Body Specification: E27/E26 Color Temperature: 2000K-7000K Ambient Temperature: -20-50 Battery: 1200MAH 3.7V (included) Package Weight: 130g / 4.59ounces Package Size: 140 * 70 * 70mm / 5.51 * 2.76 * 2.76in Packing List: 1 * Bulb 1 * Hook