Advantages: Self-Powered Dynamo Flashlight with 5 High-luminance LEDs. Crank charger for mobile Money checker (EL-EH619C) Siren function Flashing warning light (EL-EH619B) (EL-EH619C) Parameter: (A). Charge the mobile phone 1. Charge in less than 3 minutes; get you up to 3~10 minutes talk time. (B). Flashlight 1. Max luminescence intensity: 30,000 MCD 2. Shake the rotate handle in 1 minute, get you up 30 minutes for 5 LED light (C). Siren 1. Shake the rotate handle in 1 minute, get you 5 minutes siren 2. Siren reaches 85 db and above. (D). Flashing warning light (EL-EH619C) 1. World standard warning light frequency built-in IC. 2. Shake the rotate handle in 1 minute; get you both Siren and Flashing warning light up to 5 minutes. (E). Money Checker (EL-EH619C) 1. Using standard ultraviolet for false money check. 2. Shake the rotate handle in 1 minute; get you up 30 minutes for Money detection.