Linkind Smart Home Security System Starter Kit with a Siren hub, a keypad, a motion sensor, and two doors/window sensors. You can link up to 50 Linkind security accessories or smart products that can be paired with the hub. Expand your security system or smart space with more smart devices.

The Linkind security system can send push alerts to your phone, meanwhile, sounds an alarm up to 110dB in 4 optional levels(High, Medium, Low and Mute) as a deterrent when doors or windows open or motion is detected.