1800doorbell is an online retail and distributor of doorbell, wireless doorbell, entrance alarm, LED lighting, lighting control and safety equipment. All of these products are real "do-it-yourself" products; you can install them yourself, but don’t let it fool you. DIY, at least in their case, does not mean inferior products. As a niche, the store means they know their products and offer a wider range of products than retailers can carry. Although some may have 3 xs 4 wireless doorbells, 1800doorbell has50 different doorbells. The company began selling EZ Tone Entry Alert as early as the early 1990 s and went online in 1994. They are proud to be an expert in the industry and can advise you before buying. When you want to decide what doorbell you need, how many things to consider, bell compatibility, and so on. They are ready to help you!