Kerui Wireless Doorbell PIR Motion Detect Security Alarm Waterproof Button Smart Home

Description Wireless Doorbell and PIR Motion Detect Security Waterproof Plug and Play System for Smart Home  Features 57 different ring tones  -:4 levels of adjustable volume from 25db to 85db, Memory function for sound and chime selection Easy to Installation -:Real Plug and Play Operating range of 328 feet. (100 feet in open area） -:Ensures you will never miss a visitor, even if you are a few rooms away or on another floor Different Song Use for Different Mode. Expandable with Connecting Multiple Sensors and Switches as Per Your Requirements. -:Each Wireless Doorbell Can Pair Up to 20 Magnetic Door Alarm Sensors and Each Sensor Can Add Unlimited Receivers.     57 different ring tones 4 levels of adjustable volume from 25db to 85db, Memory function for sound and chime selection   Keep your children safe Alert when your little one open the window or the door   24/7 Lifeguard for Your Family This business door entry chime alerts when burglar opens door and helps deter break-ins(wireless door alarms activates when magnetic sensor separates)   Monitor Every Areas You Care with Wireless Door Chime Each wireless doorbell receiver can pair up to 20 magnetic door alarm sensors and each sensor can add unlimited receivers.       Operating range of 328 feet. (100m in open area） ensures you will never miss a visitor, even if you are a few rooms away or on another floor enough to cover every door and window in your house   Easy to Installation Real Plug and Play     Product Details     Package Include 1 * Ring Doorbell 1 * Doorbell Button ; 1-2 Doorbell : 1 * Ring Doorbell 2 * Doorbell Buttons 2-1 Doorbell : 2 * Ring Doorbell 1 * Doorbell Buttons About Shipments 1.We will send out the orders ASAP within 2-5 days(except weekends and national holidays) once your payment is completed normally. 2.Please write your complete delivery address with correct phone number and zip code, especially Russia and Belarus buyers, please confirm your full name.  3.Please notice that we will not responsible for customs duties.Please do the customs clearance by yourself. 4.For most countries, post shipping takes about 25-35 business days, and longer for some countries like Brazil.   About After-sale Service We are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer. About Feedback 1. Please check the package and item when you get carefully to make sure there is no problem.  2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.  3. If there is no problem, please leave us 5 star positive feedback. Your affirmation is our greatest motivation ! ! !