Dual Transmitter, Triple Receiver Wireless Waterproof Doorbell with Flashing Alert, Battery Operated and No Plug Needed.

Introducing a cutting-edge wireless doorbell system that offers unparalleled convenience and functionality. This device features dual transmitters and triple receivers, ensuring extensive coverage throughout your home or office. The waterproof design ensures durability and reliable performance even in challenging weather conditions. With a flashing alert system, you can receive visual notifications, making it ideal for those with hearing impairments. The doorbell operates efficiently with a voltage of 4.5, is battery operated, and requires no electrical outlets, offering a hassle-free installation experience. Power Supply Mode: DC Ring: 36 songs, 4 volume levels Power Consumption: 0.5 Scope Of Application: 300 meters in a straight line on the open ground Manufacture country: China Instructions included: No

voltage: 4.500000