WiFi:802.11 b/g/n. Alarm Current:≤130mA. Permanent magnet: 43 10 14mm. 1 sensor,1 Manual, 1 Sticky. Battery: DC 3V LR03（AAA battery，not included）. Size: Main body: 68 23 19mm. 【Easy to install】Small size,easy to install Adhesive installation,can be flexibly placed in various doors, windows,drawers,etc,without destroying the appearance and structure of the original furniture.
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