Electronic key
November 28, 2018
key key, spoon Chromium Sulfate Of Alkalization Chromium Sulfate Of Alkalization,Chromium Sulfate,Chromium Sulphate,Basic Chromium Sulphate China National Huachen Energy Group Co., Ltd. , http://www.chc-chem.comThe electronic key is a core component of the third generation of computer burglar alarms. An electronic key Manage and check all alarms installed by the user. The key is programmatically designed, LCD display, independent power supply , easy to operate, is the only tool for customers to change the password, unlock, detect the status and function of the alarm. 