Waytronic Door Sensor Chime, Wireless Door Open Alert with 2 Sensors & 1 Receiver, 80dB Entry Alarm, One-Key Mute, Multiple Modes, Door Alarm for Business/Home/Store, 100ft Range, Easy Install

• Instant Door Alert for Security & Business Use: Get notified the moment a door or window opens. The magnetic sensor triggers the receiver instantly when separated, delivering a loud ≥80dB alert—ideal for store entry alerts, home security, office monitoring, and child safety. Keeps you aware 24/7.
• Dual Sensors Coverage – Monitor More Areas: Comes with 2 door sensors + 1 receiver, allowing you to monitor multiple entry points like front door, back door, windows, or shop entrances at the same time—perfect for homes and small businesses.
• Multiple Modes & One-Key Mute Control: Switch between loud alert mode, silent mode, and armed/disarmed mode easily. One-click mute lets you silence alerts instantly when needed. LED indicators also provide visual alerts—great for the elderly or hearing-impaired users.
• Easy Installation – No Wiring Needed: Simply plug the receiver into a power outlet and attach the sensors with adhesive tape or screws. No complicated setup required. Compact and clean design fits any home or commercial space.
• Custom Voice & Smart Reminder Function: Supports MP3 voice customization via Type-C data cable—upload greetings, alerts, or reminders. In disarmed mode, the system will remind you if the door is left open, helping prevent security risks and energy loss.

When someone enters and opens the door, the door magnetic sensor senses it and the receiver sounds an alarm. Your pool door is open, beware of children entering the pool! Your door is not closed, please close the room door!