Wireless Doorbell Kit MECO Remote Ring Door Bell 1000 Feet Operating with 4 Level Volume 36 Chimes, Receiver & Push Button 1000ft/300m Range. Ideal for two-story home or very large apartment, giving you the flexibility to move your door chime throughout your home, garden or garage, it can also be used as an alert device for elderly 36 Chimes& 4 Volume. Adjusting the volume level for the audible alert is possible and there are 4 levels in total, when someone is at your door you will be alerted to a receiver through a tone option you like Easy to Install. Batteries,screws,3M double-sided tape and a screw driver included.can be attached by 3M tape or mounted by screws,2 options are put at your disposal IP44 Weatherproof. IP44 rating for the push button transmitter, made of ABS material,CE, FCC, RoHS certified 2 Years Guarantee: MECO provides customers with 40 days money back guarantee and 2 years warranty service. Any problem,please feel free to contact us