Vodeson Multipurpose Wireless Doorbell, 500 feet, 3 Levels Volume, 36 Chimes, 4 Uses In 1, White EFFECTIVELY LOUD VOLUME: the 36 different chimes featured and the 3-level adjustable volume, levels of adjustable volume from 60db - 120db. SUCCESSFUL AS FAR AS IT TAKES: Either you are occupied in the garden or kitchen, you will always be easily informed when someone is calling from outside. FCC, RoHS certified, the push button is rated IP44 and weatherproof for outdoor use.And equipped with security burglar alarm, motion sensor lights and other functions. EASY INSTALLATION, EASY USE: The stylish, multipurpose wireless doorbell can be easily installed with double-sided tape, or adjusted with screws and anchors. No wires are necessary. RELIABLE CUSTOMER SERVICE: Ready to respond within 24 hours and guarantee 18-month warranty. If you are not positively thrilled with our porduct, we will fully refund you within 30 days.