Generic Doorbell Easy Install Waterproof Wireless Door Bell, Over 1300 feet Range and 55 Chime, 5 Levels Volume and LED Flash, for Home Office Classroom

【Easy Installation】Complete installation within 30 seconds by simply plugging the receiver into the power source—plug and play simplicity at its finest.

【Wide Wireless Coverage】Operating at an ultra-long distance of 1300 ft, this doorbell chime ensures a stable wireless signal for reliable connection, even across multiple rooms or floors, ensuring you never miss a visitor.

【High-Performance Doorbell】The dust and waterproof bell button is designed to withstand various climates across the US, with an operating temperature range of -22 °F to 158 °F. The button is battery-powered, boasting a battery life of 3 years. Meanwhile, the receiver's energy consumption is extremely low, less than 1 kWh per year.

【55 Chimes & 5 Volume Levels】With multiple choices available, personalize your doorbell experience by setting your favorite music. Additionally, you can set different ringtones for the 2 buttons to distinguish between front and back door ringtones, with volume adjustable from 0-110dB to suit individual preferences.

【Extendable Door Bell System】With up to 64,000 learning codes,you can add multiple receivers and transmitters of the same model to expand your door bell system.The doorbell is designed to aesthetically fit all types of homes and is also suitable for offices, stores, business and many more.