Is this sensor compatible with all SimpliSafe systems?

This specific sensor is compatible with the Gen 3 Home Security System.

What affects the resale value of this sensor?

The resale value is driven by the item's condition, completeness, and edition.

Live prices are displayed separately on the product page.

Camera & Photo

SimpliSafe Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System value — New $14.99. Prices updated July 2026.

Used

—

New / Sealed

$14.99

Live on eBay now

This product is the SimpliSafe Entry Sensor, designed for window and door protection, and is compatible with the Gen 3 Home Security System.

It is sought after by individuals looking to secure their homes with SimpliSafe's established security ecosystem.

Resale value is determined by the sensor's physical condition, whether it is complete, and its specific edition compatibility.

What this actually trades for — sold values by condition vs. what sellers are asking today

Condition	Value	Based on
New / Sealed	$14.99	eBay sold comps

Is this sensor compatible with all SimpliSafe systems?: This specific sensor is compatible with the Gen 3 Home Security System.
What affects the resale value of this sensor?: The resale value is driven by the item's condition, completeness, and edition.
Where can I find the live selling prices?: Live prices are displayed separately on the product page.