1.After charging up the batteries,hte batteries can last(continuously) 5-8 hours. 2.Three LED for the Lighting. 3.With radio 4.If shake with hand for 1 minute,the flashlight can last out lighting 10 minutes.Can charge the mobile phone for emergency. 5.Using waist clamp can make the product be carried conveniently. 6.Function of the sound and light alarm.