Quick Open Electrically Operated Door Locks

Electric Lock , safety and nice universal door Lock HY-J10 I. Application Locks are mostly used for?the letter boxes, storage boxes, filing cabinets, record cabinets, book cabinets, electric instrument boxes, storage cabinets and cabinets for change clothes.? Widely applies in places such as schools, mines, factories, banks, armies, jails, courts, hotels, farms, bath centers II. Product characteristics: 1. Working style: It locks when the power is off and opens quickly when