Wireless and easy to pair with the Yale Sync Home Alarm System. When smoke is detected and alarm is armed, smoke detector triggers the external alarm siren and sends a push notification. Heat sensor will send a heat signal when the temperature changes ±2°c, and will trigger the alarm if the temperature rises by 8.25°C per minute, and when the temperature exceeds 57.3°C. Built-in PIR detects motion to trigger alarm when system is armed. Works with - iOS App - Android App Replaceable Lithium Battery Supplied 200m Wireless Range Smart Hub & Internet Connection Required

Price: £69.99 from Screwfix

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Stockist	Product Name	Price
Screwfix	Yale AC-PSD AC-PSD Battery Smart Smoke Detector	£69.99	Visit Store