1byone Easy Chime Premium Portable Waterproof Wireless Doorbell Kit, with CD Quality Sound, 36 Chime Tones and Adjustable Volume, Stable Wireless Transmitting Range;

From the Manufacturer:
A premium door chime from 1byone brings a whole new level of convenience to your daily life. Use it for your front, side, or back doors to guard your home safe and lead a life of great convenience.

Conditions required for a Wireless Doorbell:

1. Long and Reliable Range
The normal range for most wireless options is 50 to 80 m (164-262ft), which is appropriate for a small home.
However, our doorbell kit supports an industry-leading wireless working range of up to 100 meters (300 feet), strictly compliant with FCC, CE and RoHS standard.

2. Favorable Portability
Another nice feature about this product is that it is conveniently portable when you move your house, helping you save money in the long run and ensuring that you don't have to buy a new one which you are unfamiliar with.

3. Versatile Features
- 3 Volume Levels, allowing you the option of turning the chime down or completely off - a great option for nap time.
- 36 different CD-quality sound tunes, you can select from several sounds including Ding Dong, Happy Birthday, Big Ben etc.

4. Unique Points
Any 1byone Easy Chime can add additional chimes (to hear the sound in divers locations) or bell pushes (to hear different sounds at your front & back door). It's Easy to DIY and feel free to match any 1byone Easy Chime.

Here at 1byone, we stand by our products 100% with a 12-month warranty. A happy purchasing experience is our #1 priority and we will happily send a product replacement if any issues arise.