Portable LED emergency lamp

Features:1. Built-in large lithium battery to guarantee longger life span;2. Bult-in magnet making stick firmly on iron place and portable with lanyard to hang anywhere you want3. 4 levels dimmable brightness and SOS function;4. Can use more than 5 hours during 100% brightness in theory; 5. No flicker,mercury,radiation, eco-friendly environmentSpecification :*Power: 1W*Voltage:5V/500MA*Built-in battery:1800MAH*Product size: 210xΦ35mm*Gift box size: 24*12.5*5cm*out box size: