PushPoint Extra Add-On Receiver for the PushPoint Eco1 Expandable Wireless Doorbell AS SEEN ON BUSINESS INSIDER, FOX, ABC, NBC & CBS News - "It's built well, and it has a nice minimalist style" - Business Insider, 08/21/15. Our doorbells are great looking, loud, and reliable. EXTRA ADD-ON PLUGIN RECEIVER IS COMPATIBLE WITH BASE KIT. COMPLETELY WIRELESS doorbell system is suitable for any door of your home or business. Receiver unit plugs into an outlet and the battery-free transmitter adheres to the door frame with 2-way tape. This is Model: PG-R KINETIC PUSH BUTTON generates energy (without need for batteries) to create a wireless signal. Never miss a visitor because of a dead battery. With an IP44 waterproof rating, our transmitter is weather-resistant for all climates. 100-METER RANGE with a single transmitter unit. To increase the range to up to 400 meters, purchase additional receivers or transmitters and increase to your network. Power consumption is less than 10mW per unit. 3 VOLUME LEVELS (50-80db) accommodate babies and light sleepers. Choose from 25 musical tones. Make volume and music selections easily with 2 buttons located on the side of the plug-in receiver. EASY TO INSTALL and implement. Components are factory paired for your convenience. No tools are required as the push button is affixed next to the entry point with included double-sided adhesive tape. DOWNLOAD OUR "10 MORE WAYS TO USE SADOTECH DOORBELLS GUIDE - Did you know that our customers use SadoTech doorbells to train dogs, teachers love using it to quiet down classrooms, seniors and disabled use SadoTech doorbells as assisted living call pagers, and more! SCROLL DOWN on this page to the Technical Specs section below and click the Application Guide link to DOWNLOAD the PDF file. Open it with Adobe Acrobat Reader.