So these sensors are only motion based? Someone can literally smash out a window and climb through unless there is a glass break sensor within 20ft?

Rather than buy glass break sensors for all of my windows, I have window sensors on all the windows and a motion detection sensor in each room. I have rooms with four and five windows. It saves money and does the same job.

if I put it in my car a connect it then drive off and return within range, will it automatically reconnect to the home base?

You can disconnect and reconnect it by using the keypad.

are these compatible with nest security systems

This is a simple magnetic switch that communicates with the Simplisafe base station. Not 100% sure but I suspect it is proprietary to the Simplisafe system. You might want to contact Nest with this question.

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Description

🚪🔔 Stay a step ahead—secure every entry point with silent precision!

RELIABLE POWER - Pre-installed battery ensures long-lasting, maintenance-free protection
EFFORTLESS SETUP - Peel-and-stick or permanent mount with included hardware—no hassle
INSTANT AWARENESS - Hear chime alerts immediately when entry is detected
SEAMLESS SECURITY FIT - Compact design fits doors, windows & cabinets effortlessly
DISCREET NOTIFICATIONS - Secret Alerts send silent phone notifications for subtle monitoring

The SimpliSafe Entry Sensor offers precise intrusion detection with a 2-inch magnet trigger, customizable silent alerts sent directly to your phone, and a compact design that fits nearly any door, window, or cabinet. Easy to install with peel-and-stick or mounting hardware, it runs on a long-lasting pre-installed battery and integrates seamlessly with the Gen 3 SimpliSafe Home Security System for professional-grade protection.

Specifications

Battery Description	Lithium
Number of Batteries	1 Lithium Metal batteries required. (included)
Control Method	Remote
Mounting Type	Wall Mount, Door Mount
Maximum Range	1000 Feet
Sensor Technology	Contact Sensor
UPC	815017029612
Manufacturer	SimpliSafe
Part Number	ENS301
Item Weight	1.1 ounces
Product Dimensions	2 x 0.12 x 2.7 inches
Country of Origin	China
Item model number	ENS301
Batteries	1 Lithium Metal batteries required. (included)
Size	pack of 1
Item Package Quantity	1
Included Components	Entry sensor, screws, extra adhesives
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium
Description Pile	Lithium
Warranty Description	1 year manufacturer

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