Key features

• •[Delivery Content]-3 plug-in mini receivers, 2 buttons, 2 doorsigns, 2 12V23A batteries, 1 set of screws, 1 screwdriver, 3 double-sided tapes, you can install it completely within the 30s. Just plug the receiver into the power source, plug and play
• •[Wide Wireless Coverage]-The doorbell chime operated at 1300 ft ultra-long distance and stable wireless signal to ensure a reliable connection, even in other rooms or floors, you can clearly hear the doorbell
• •[High-performance Doorbell]-The dust and waterproof bell button adapt to various climates in different regions of the US, and the operating temperature is -22 °F to 158 °F. The button is battery powered, battery life：3 years. The receiver energy consumption is extremely low, less than 1 kWh per year
• •[55 Chimes & 5 Volume]-This wireless doorbell for home has multiple choices for you, you can set your favorite music, even set different ringtones for the 2 buttons to distinguish the front and back door ringtones, 0-110dB to meet the requirements of different people
• •[Extension & Warranty]-You can add additional receivers or transmitters, we provide you with free lifetime technical support.And If you have any pre-sales or post-sales questions, please feel free to contact us,our professional technical support team will help you solve the problem within 24 hours.