Campainha sem fio KERUI para casa, à prova d'água, com 57 melodias, 4 níveis de volume, 2 botões e 2 receptores.

• 57 Chimes Melodies : Choose from 57 different melodies to customize your doorbell's sound. • 4 Volume Smart Door Bell : Adjust the volume of your doorbell to suit your needs. • 2 Buttons + 2 Receivers : Install two doorbells for added security and convenience. • Wireless Connection : No need for messy wiring, simply install and connect wirelessly. KERUI 57 Chime Wireless Doorbell Waterproof Wireless By Alarm Contact Sensor Doorbell With 2 Doorbell 2 Button Main Features: 1. 57 different music tones optional. 2. Memory function, never lose last set whatever power off. 3. The host can set the fixed doorbell music button. 4. Rugged Waterproof Design. Specification 1. Working voltage: AC 100-220V 2. Working current: <100mA 3. Wireless frequency: 433MHz 4. Working temperature: -10 ° C ~ +50 ° C 5. Wireless distance: 120 meters (open space) 6. 4 level volume: 25dB-110dB Package include: 2 * Receivers 2 * Buttons Note: Button battery included. Please feel free to contact us if you have any questions. 57 Different Ring Tones The wireless doorbell has 57 melody tones and 4 levels of adjustable volume up to 110db. Memory Function Every time you turn on the doorbell, the music is the same melody as the last time you turned it off, no need to reset the previous settings. IP55 Waterproof Design The rugged construction and waterproof design allow the doorbell to withstand all kinds of harsh weather conditions.   Up to 390ft/120m Transmission Range (in open area) The long transmission range ensures you will never miss a visitor, even if you are a few rooms away or on another floor. It is enough to cover every door and window in your house. Different Song Use for Different Mode Easy to Installation Plug and Play design is convenient and quick. s a CR2032 lithium battery that boasts 3-year maximum lifespan Installation Steps: 1. Stick the double-sided tape on the back of the waterproof doorbell transmitter. 2. Install the F15 outdoor waterproof wireless doorbell transmitter in the place you need. 3. Plug the M521 wireless doorbell receiver into main power. Product Detail