High-quality wireless doorbell.. *Multi-purpose It can be used as an emergency bell for the elderly.. or to call maids and housekeepers.. or as a doorbell.. or for any other alerts.. ** The product contains 2 doorbell buttons and 1 receiver.. 57 tones.. ** Or 1 doorbell button and 1 receiver Loud sound up to 110db.. 4 volume levels.. Waterproof.. Dustproof.. Reception range in open areas up to 590 feet.. Withstands bad weather with IP65 rating.. Easy to install and use.. *** 1 doorbell button and 1 receiver ### 2 doorbell buttons and 1 receiver * Please contact via private message..