BITIWEND Wireless Door Sensor Chime Alarm Contact Sensor Door Bell for Office/Home/Shop, Door Open Chime Window Alarm Operate Range 600 Feet with 58 Bells 5 Volu Level

Wide Working Range: The wireless door chime provides detection range up to 600 feet. Far enough to cover all the windows and doors of your home and store. The doorbell receiver will sound immediately when the door magnetic sensor separates 1 cm.
x:li>110dB Loud Sound Alarm: The wireless door opening sensor is loud enough to detect entry, prevent children, babies or pets from leaving the house, protecting your home or office.
x:li> Custom Alarm Buzzer: Doorbell options include doorbell, barking dog, siren and various popular song snippets. and 5 adjustable volumes (0-110dB). And the LED indicator creates a visual LED alert for hearing impaired.
x:li>58 Expandable Sensor: Receiver can be paired with up to 58 chime sensors/Door sensor can be paired with up to 58 receivers. Can be used to install in your dining room, bedroom, living room, garage, backyard or in your shop and office.
x:li>Easy to install and use: Simply plug the doorbell receiver into any standard outlet and tear the double-sided adhesive tape on the back of the door sensor (or mounted with screw) to stick to the door or window, peel off the insulating paper before using the sensor.