午夜福利小说,左剑清龙女的小说阅读,国产91欧美情侣在线,a级一级风流片,国产成人久久综合一区,亚洲天堂影院在线观看av,亚洲国产午夜精品理论片妓女,护士交换粗吟配乱大交,原创小说短篇

Platform: MSM8909
OS: Android 8.1
Display: TFT 3.1inch 800x480(WVGA)
Camera: 5M/2M
Protection level: IWaterproof : IPX5/IPX7;Dustproof : IP5X

· High-precisionhistorical trajectory

Parents can view their children'sactivity trajectory, eliminatingconcerns about children getting lost.

·Real-time location trackingElectronic fencing

Real-time tracking,with alerts sent when the childleaves a virtual electronic fence

·Triggering an alarmby pulling out the rope
When children encounter danger,they can pull the ropeto trigger an alarm