[SMAhome Int'l Exhibition] Queenlock integrates lock, alarms and sensors
Queenlock Industry Co., Ltd showcased its four-in-one digital locks, featuring fingerprint, proximity RFID card, touchscreen keypad and manual override. The digital lock is powered by AA batteries without wires. Manual locking function is offered when batteries run out. In addition, it offers intruder alarm, low battery alert, and door unlock warning.