Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required
It's about $4.55 under what it usually sells for. Its real drops usually come around February and June, to about $28.86.
Price context
This verdict comes from tracked price history. Run a live check for the freshest read — or set a free price-drop alert.
Run a live price check →typical$15.99
all-time low100/100
Drop Tendency
How we predict: Thrifle reads this product's real Amazon price history and runs it through our price models — a transparent statistical engine plus GOAT Model 2.0, our machine-learning model — to estimate whether the price will drop, how low it's likely to go, and when. Every verdict shows its benchmarks and its own confidence, and we grade ourselves in public: see our live accuracy track record.
Frequently asked questions
Will the price of Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Wind… drop?
Thrifle's model expects it could drop to about $28.86 (likely $15.99–$29.98), typically within about 52 days — versus $29.98 today.
Is now a good time to buy Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Wind…?
Thrifle's current verdict is Good price (Good price) with 85% confidence. Today's price of $29.98 is at or below the typical price of $34.53. It's about $4.55 under what it usually sells for. Its real drops usually come around February and June, to about $28.86.
What is the lowest price Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Wind… has been?
The lowest tracked price for this product is $15.99, recorded on Oct 29, 2025.