Wyze Sense is an impossibly small contact and motion sensors for your home at a incredibly low price. You can get the Wyse Sense Starter Kit for only $19.99.

The kit includes:

• 2 Wyze Contact Sensors notify you any time something is opened, closed, or left open,
• 1Wyze Motion Sensors notify you when motion from people or pets is detected,
• 1 Wyze Sense Bridge that plugs into the back of a Wyze Cam (required) that links your Wyze Sense devices to the WiFi.