* High articulation fiber optic light guide with 10mm diameter. * LCD Sreem display the working situation clearly . * Constant light intensity output ,it will not be effected whatever the battery is lower or full power. * High efficiency for exchange rate from electricity to light.A full charge can be used for more than   200 times continoursly . * Bionic sreamline design ,luxury and comfortable to operate. * Humanized design with battery easy to replace. * Aumatically detection function of charging voltage * Double protection board for battery * Using USA imported circuit chips. * Using BYD battery * The standby time can be half year.
