Wireless Door Sensor Chime BITIWEND Alarm Contact Sensor Door Bell for Office/Home/Store,Door Open Chime Window Alarm Operate Range 600ft With 58 Chimes 5Volume Level,1 Door Sensor+2 Plug-in Receiver

Key features

• 👍Wide Working Range: The wireless door chime offer up to 600 feet detection range. Far enough to cover every window and door in your house and store. The chime receiver will alarm immediately when the magnetic door sensor separated 1cm.
• 🔔110dB Loud Audible Alarm: Wireless Door Open Sensor is loud enough to detects entry, prevent kids, babies or pets going out the house, protecting your home or office.
• 🔔Customized Alarm Chime: The chime choices include a doorbell, barking dog, siren and various snippets of well known songs. and 5 adjustable volume（0-110dB). And the LED indicator creates a visual LED alert for the hearing impaired.
• 🌐58 Sensor Expandable: The receiver can be paired up to 58 chime sensors/the door sensor can be paired up to 58 receivers. Can be used to install in your dining room, bedroom, living room, garage, yard, or your store and office.
• 🔧Easy to Install to Use: Just plug the doorbell receiver into any standard outlet and tear the double-sided adhesive tape on the back of door sensor(or screw mounted) to stick to the door or window, please take the insulating paper away before using the sensor.