Chuango Door/Window Contact (Reed Switch) detects when a door or window is opened. Consists of the Reed switch sensor and a small magnet. When the reed and magnet separate, the sensor sends a signal to the Chuango alarm panel

All orders are processed within 1 to 2 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive a notification with tracking information once your order has been shipped.