Zigbee Wireless Audible and Visual Alarm Decibel 100DB Sound Decibel Security Monitoring for Smart H

Two power supply methods: The intelligent audible and visual alarm should always be powered by the AC adapter.The rechargeable backup battery can only last for 24 hours and is only used in emergency situationsZigbee sound and light alarm: Timely alarm through sound, flash, and push messages when there is some one in and the human presence sensor detects, someone breaking in, the alarm will remind you in a timely manner.Firm and easy to handle: Rotate the main body and screw it into the base.Two installation methods: adhesive backing and locking screwsNote: This product needs to be used in conjunction with the Zigbee gateway and other intelligent sensors to achieve intelligent alarms.style: ZigbeeMaterial: plasticcolour: White+BlackPackage Contents: 1 x Audible Visual Alarm SystemOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.