EZVIZ ezSensor Siren additional Siren to use with ezAlert Kit 85dB Volume with Red Flashing Strobe Smart Home Security works with IFTTT

If someone intrudes your house, T9 will make a sound and light alarm immediately to deter intruders.

Stylish Appearance - Easy to Install
Install onto the wall directly, convenient and flexible.

Sound and light alarm - deter intruders immediately
Using 8 bright and high frequency LED lights, alarm sound up to 85 dB within 3 meters.
Features
• Wireless.
• Working Frequencies of 433MHz or 868MHz.
• 85dB Volume.
• Red indicators blink when alarm occurs.
• Compact size of 67mm x 121mm x 33mm (W x H x D)