Cart Continue shopping “Heat Detector Wireless” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × Wireless External Sensor £154.99 Wireless External Sensor quantity £154.99 × Heat Detector Wireless £85.99 Heat Detector Wireless quantity £85.99 Coupon: Apply coupon Update cart Cart totals Subtotal £240.98 Shipping Calculate shipping Select a country / region… United Kingdom (UK) Update Total £240.98 — OR — Proceed to checkout