●【Ideal smart sensor】Equip every door and window to stop burglars. tolviviov smart sensor always gives you peace of mind. ●【Real-time notifications】Get instant alerts at any time anywhere when entry, exit, or motion is detected inside your home. Control the safety of your property anytime, anywhere. ●【Acts as a Motion Sensor】When the wide 120° motion sensor captures activity up to 16 feet away from your home, you will receive an alert. ●【Acts as a doors and windows sensor】 When the door/window is opened, It will send an alarm signal to the base station. ●【NOTE】smart sensor for door and window should be paired twice both as a door sensor and a motion sensor. You can see a new door sensor and a new motion sensor on the smart life app eventually.