Linkind Wireless Smart Home Security System: DIY 5 Pieces With Siren Alarm, PIR Motion Sensor & Door/Window Sensor For Office And Home - Compatible With Alexa Review

【HOME SECURITY KIT INCLUDES】: A Siren Hub, a Keyfob, a Motion Sensor and two Door/Window Sensors. The hub needs to be plugged in power source, and other devices come with built-in lithium batteries that can last for 2 years. 【4 SECURITY MODES & LOUD EMERGENCY ALARM TO PROTECT YOUR HOME】Four security modes are available: Away, Stay, Disarm and SOS modes. Whenever the door/window opens unexpectedly or motion is detected, it will send an alert notification to your phone and activate the local alarm up to 110dB in 4 optional levels (High, Medium, Low and Mute). 【CUSTOMIZABLE & EXPANDABLE SECURITY SYSTEM】The hub with built-in siren feature allows you to add up to 50 LINKIND sensors or Linkind Zigbee smart bulbs to expand your security system or smart space. DIY your security system to fit your demands. 【HANDS-FREE VOICE CONTROL VIA ALEXA】The kit is compatible with Alexa. You can easily connect Linkind APP with Alexa via integration. Arm or disarm your Linkind security system in stay mode or away mode with your voice when paired with Alexa. 【EASY SETUP】Easily set up your home security kit by plugging in siren hub, placing the sensors in their ideal locations, adding the pre-programmed kit to LINKIND app, and connecting to Wi-Fi. Two options to mount the devices on the wall: with screws or adhesive back. Note: The smart security kit only supports 2.4GHz networks.