Wireless Doorbell, Door Bell Kit, Distinguish Front and Rear Doors, for Home Office Classroom（One drag, two sounds）

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Doorbell for Large Homes: 1 push buttons simultaneously trigger 2 chime units. Great for large homes, apartments, offices & classrooms. You’ll never miss a chime! Specification: One drag, two sounds Product color: Black Plug: American standard Volume: 0-100 decibels, adjustable in 4 levels Ringtones: 36 options to choose from Working temperature: -30 ° C to 70 ° C Working frequency: 433MHz Launch battery: 12V remote control battery Receiver voltage: 90-240V/50HZ (wide voltage) Multiple Optional Ringtone & Mute Mode: wireless doorbell receiver features 38 chimes and 4 levels of adjustable volume to meet your needs for different occasions. LED flash is suitable for the elderly and hearing impaired. The indoor chime can remember your last melody and volume level after closing it; No need to reset the previous settings, really saves your time. Hassle-Free Installation: This battery wireless doorbell ringer requires no additional wires or tools, all you had to do was plug in the adapter to an outlet and adhere the transmitter to the wall via Double-sided tape or Screws-in. Multifunctional Doorbell: The wireless doorbell can be installed on the front door of your apartment, house, villa, flat, office, or workshop to welcome your guests, it can also be used as a pager, which makes it suitable for children, nursery, or elderly care, and it also applies to teachers seeking helpful classroom organization and management. Delivery Timeframe:Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows: For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.