Introducing the Costar Pebble 600 Door bell, the smart and eco-friendly wireless doorbell that lets you welcome your guests with style and convenience. The Costar Pebble 600 Door bell features a self-powered push button that generates electricity by itself, so you never have to worry about replacing batteries. It also has a long operating range of up to 300m / 1000ft in open areas, so you can install it in any corner of your space. The Costar Pebble 600 Door bell is easy to install, just plug the receiver into the socket and you're ready to go. It is suitable for various environments, as it can withstand temperatures from -20° to 60° (-4°F to 140°F). It also has multiple ringtones and LED lights to suit your preferences and needs. The Costar Pebble 600 Door bell offers 52 ringtones to choose from, and 5 volume modes to adjust the sound level. The flashing LED light makes it easier for you to notice the incoming visitors, even if you're away from the door. The Costar Pebble 600 Door bell comes with a 1 year warranty, so you can enjoy peace of mind with your purchase. Order yours today and experience the difference of the Costar Pebble 600 Door bell, the wireless doorbell that works for you.