# Battery-Free Doorbell Kits The KooPower Wireless Doorbell Kit is Simple to Install By Michael Hemsworth | Published 2018-03-28 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/wireless-doorbell-kit References: [coolest-gadgets](http://www.coolest-gadgets.com/20180326/koopower-reveals-wireless-doorbell-batteries/) & [prnewswire](https://www.prnewswire.com/news-releases/koopower-introduces-battery-free-wireless-doorbell-kit-300616939.html) One of the issues with wireless technology is that at some point it will require a battery replacement or charge, but the KooPower Wireless Doorbell Kit looks to make this a requirement of the past. The doorbell kit features a main hub within your home for playing the sound along with the exterior button that guests can press to let you know they have arrived. The button features a piezoelectric generator within that will create a small electrical charge when pressed that is just enough to send the signal to the main hub, which completely eliminates the need for wiring or [batteries altogether](https://www.trendhunter.com/trends/somnibuds). The KooPower Wireless Doorbell Kit boasts a 500-foot range and can be customized with your choice of [25 different ringtones](https://www.trendhunter.com/trends/vivint). ## Trend Insights (Trend Hunter) - Score: 1.3/10 - Popularity: 16% | Activity: 16% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: Europe ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Gadgets](https://www.trendhunter.com/gadgets) ## Key Themes ### Why This Trend Is Growing - **Battery-free Technology:** Technology that eliminates the need for batteries within products. - **Piezoelectric Generators:** Generators that convert mechanical energy into electrical energy. - **Customizable Wireless Devices:** Personalized wireless products for consumers. ### Industries Being Reshaped - **Home Automation:** Companies that develop technology to automate household tasks. - **Wireless Communication:** Businesses that provide wireless communication solutions. - **Construction & Design:** Companies that focus on creating smart homes and designing sustainable buildings. ## Related on Trend Hunter - [Minimalist Sound-Free Doorbells](https://www.trendhunter.com/trends/silent-doorbell.md) - [Inviting Pebble-Shaped Doorbells](https://www.trendhunter.com/trends/wireless-doorbell-concept.md) - [Battery-Powered Motion-Detecting Doorbells](https://www.trendhunter.com/trends/battery-doorbell-pro.md) - [High-Resolution Battery Doorbells](https://www.trendhunter.com/trends/smart-high-resolution-doorbell.md) - [Smart Door Vision Series](https://www.trendhunter.com/trends/eufy.md) - [Low-Cost Smart Home Doorbells](https://www.trendhunter.com/trends/new-blink-video-doorbell.md) - [Head-to-Toe Video Doorbells](https://www.trendhunter.com/trends/wyze-battery-video-doorbell.md) - [Soundless Doorbell Concepts](https://www.trendhunter.com/trends/silent-doorbell-1.md) - [Monitor-Paired Smart Doorbells](https://www.trendhunter.com/trends/switchbot-smart-video-doorbell.md)