Delighted client Richelle Bowling’s practical experience: “Great backpacks can be a huge hit with our workforce. Men and women also like coolers. We gave out backpack coolers and that was successful!”  徘徊告警：也称逗留告警，当智能门锁检测到有人形生物在一定的距离内长时间逗留、徘徊，摄像头会自动