La description

> fingerprint, password or key to open > optics semiconductor pick technology，only identify the hypoderma of live body > Finger angle: correct identification at any angle within **0° > LED display，grouping management，could add, delete and clear fingerprint one by one > American standard 5 tongue electronic core > stainless steel key-press > lifting the handle for lockout > emergency electrical source > low voltage warning, diagonal linkage warning > unique long open-function，convenient for office meeting > adapt for villadom、rooming house and intellegent edifice and etc.