Door Chime, Besimlive Wireless Door Open Alarm Contact Sensor 1,000 ft Range 58 Chimes 5 Adjustable Volume Door Ringer Alert for Home/Business When Entering, White, 1 Plug-in Receiver + 1 Transmitter - 1T1-WH

• UPC   650076879989
• 🛠️【Easy to Install】The receiver and sensor are already paired. Attach the sensor to the door or window (the installation distance should be less than 0.4 in), and plug the receiver into any standard outlet to complete the installation. (It is recommended to change your favorite ringtone BEFORE installation. please refer to the video or user manual.) 🛡️【24/7 Family Lifeguard】This door alarms for kids safety provides 7×24 protection by alerting you when a burglar opens the door or window, effectively deterring break-ins. The entry alert chime activates when the magnetic sensor separates. 📶【1,000 ft Long Range】The wireless door open alarm for home security has a range of up to 1,000 ft in open areas. When a door or window is opened, the door sensor automatically triggers instant alerts on the receiver. It can also be used as a doorbell for your retail shop or commercial space, ensuring that you never miss any customers or visitors. 🎶【58 Ringtones with Mute to 110dB】5 levels of adjustable volume from 0-110 dB. Offering 58 optional ringtones, such as "Ding Dong", "Hello, Welcome", alarm sounds, and other well-known chimes. The receiver and sensor are expandable, allowing each receiver/sensor to pair with up to 50 sensors/receivers. 🔋【Built to Last】With an included household alkaline battery and Ultra-Low-Power design, the sensor can effortlessly last for up to 7,200 uses. ✉️【Lifetime After-Sales Service】Our products offer a 30-day hassle-free return policy, 1-year warranty, and lifetime enthusiastic after-sales support. If you have any issues, please do not hesitate to contact us. Our brand has been manufacturing and selling security products since 1995 with wealth of experience., Manufacturer: Besimlive