Wireless Door Sensor for Business Home Office with 800Ft Range

SanJie, a brand established in 2015, is determined to build a security product enterprise. To date, the company has offered a full range of home and business products, helping millions of people worldwide and earning the trust of its customers through a professional approach.

Technology Enhances Life: SanJie is committed to further development and encouraged innovation to change the lives of its customers, making the world a better place.

Wireless Door Chime Motion Sensor & Doorbell Door Alarms for Home Security: - Alerts you when a door or window in your home is opened, providing added security. - Alerts you when customers enter the store, welcoming them. - Reminds you when a colleague or business partner comes in, useful for commercial settings. - Reminds you when your child wants to open a window, keeping kids safe. - When someone comes to your home as a guest, it will remind you when they open the door, keeping the elderly safe.

Expandable System, Stable Transmission Range, Waterproof Door Sensor, 5 Adjustable Volume, and 55 Ringtones: SanJie's wireless door chime system offers a range of features to meet your needs.

Pairing and Selecting Music: 1. Press the "forward"/"backward" button on the receiver to choose your favorite melody. 2. Long press the volume button for 5-7 seconds until the receiver "dings" with LED blinking rapidly. 3. Quickly separate the two parts of the door sensor to activate the transmitter and send a signal to the receiver. 4. After successful pairing, when the sensor is moved, the receiver will sound to alert you that the door or window is opened.

To set different ringtones for two door sensors: Press "forward"/"backward" buttons to select the ringtone, long press the volume button, separate the sensor, and then separate the sensor again. Repeat the same operation for the second sensor, but do not select the same music as the first sensor.

SanJie provides a 30-day refund service and prompt after-sales support to ensure a satisfactory customer experience.

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