LED Bulb Rechargeable Emergency Light Day Light 1 Million Hours AC/DC

20 pcs LED AC/DC Rechargeable Emergency Light Lamp Bulb. LED energy-saving lamp. Use for offices, restaurants, hotels, or home. Lifespan: more than 1 million hours 3-position slide switch: 1. AC: alternating current (110-240VAC) 2. DC: work as an emergency lamp 3. OFF: turn off the light Type: E27 lamp holder Light source: 20 LEDs Charging time: at least 12 hours Working time: 4 hours Luminous flux: about 300 Lumens Power: 1.5W, very low power consumption. Top diameter: about 4" Overall height: about 5"