Feature 1SOUND LIGHT ALARM: When triggered, the alarm will emit sound and light, which is greater than 90DB, you can hear the alarm anywhere in your home. 2REMOTE CONTROL: APP can switch on and off the alarm remotely, and immediately notify your smartphone when the alarm is triggered. 3POWER OFF MEMORY: In case of sudden power failure, the alarm will save the parameters previously set in the application program and automatically restore. 4QUICK RESPONSE: The security alarm has ultra quick response, strong anti interference ability, ultra low power consumption, and supports 5V 1A USB power supply. 5HIGH SAFETY: Smart wireless siren alarm can be widely used in home, kitchen, office and more occasion to ensure family safety.SpecificationItem Type: Smart Siren AlarmMaterial: ABSColor: WhiteBattery Type: 2 x CR123 3V Batteries (Not Included)Wireless Distance: Approx. 55m/180.4ftWireless Frequency: 2.4GhzConnection Mode: for Zigbee 3.0Network Protocol: for Zigbee IEEE 802.15.4 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Smart Siren Alarm1 x Sticker1 x Charging Cable1 x Screw1 x Anchor1 x User Manual