SECRUI Adjustable Door Chime for Business/Home - 400ft Range, 52 Sounds, Easy Install, Black

About this item

• 【Mini Contact Sensor】: Magnetic door sensor (Size:3.0x1.0x0.60ininch),magnetic strip (Size:1.7*0.6*0.4 inch).They are small size and can be installed or placed at any indoor position to provide you with a door entry chime/alert system.
• 【Easy to install】:Just plug the doorbell receiver into any standard outlet and tear the double- sided adhesive tape which on the back of door sensor( or screw mounted) and stick them to the door or window is fine,please take the insulating paper away before using the sensor
• 【Wide Working Range】:This wireless door open chime for home is up to 400 ft in open area, magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated and the receiver will alerts immediately whenever the door or window is opened
• - Customize volume level with 5 different settings ranging from 0 to 110 dB
• - Choose from 52 distinct chime options
• - Memory feature retains the last selected chime even after unplugging
• 【24/7 Lifeguard for Your Family】: This child/ home door sensor alerts when burglar opens door and helps deter break-ins(entry alert chime activates when magnetic sensor separates)