Introduction 1. Ultra-small super-mini night light camping dedicated mobile power but when the desktop computer lights; 2. 0.2w ultra-low-power over 2835 chips led long lighting test heat is no problem; 3. 5000mAh mobile power full power sustainable lit around 100 hours; 4. Operating current 40 mA high luminous efficiency energy saving 5. Can be placed in your wallet you can also hang on a key very portable. Power supply: standard USB interface as long as you can plug USB 5V power mobile power notebooks netbooks desktop computers etc.