Key features

• •【300 M/1000 FT ULTRA LONG WIRELESS RANGE】Wireless doorbell 1 plug-in receiver included; will not interfere with other equipment in your home or those of your neighbors; ensures you will never miss a visitor, even if you are a few rooms away or on another floor.
• •【ASSIGN UNIQUE RINGTONES】Wireless Door bell to each transmitter to instantly know which one was triggered. 58 different melodies and ringtones make this the ideal wireless doorbell system for multi-entry structures. Four levels of adjustable volume from 25db to 110db.
• •【USE DOORBELLS】use AikTryee Wireless doorbells to train dogs, teachers love using it to quiet down classrooms, seniors and disabled use doorbells as assisted living call pagers, and more!
• •【LIFETIME WARRANTY】Our AikTryee wireless doorbell is approved by FCC and RoHS; we provide lifetime warranty on our products and 45-day money-back guarantee from the date of purchase.
• •【HIGH PERFORMANCE TRANSMITTER】Ultra-low power consumption; uses CR2032 battery that boasts 3-year maximum lifespan; IP55 dustproof and waterproof rating; works between -4 °F to 140 °F; withstands various harsh weather conditions.No more hesitation! Try it now!