Wireless and battery-free Eco Outdoor waterproof IP 65 snow rain doorbell kit - remote transmitter - plug-in receiver - 43 volume levels - 38 melodies

[No battery = Peace of mind]: Why choose a battery-free system? We all know that batteries don't like humidity, negative temperatures and intense heat at all. Rest assured, it is perfectly suited to outdoor use, the battery-free wireless doorbell is definitely not affected by bad weather. [Don't Miss Your Package]: Another delivery notice in your mailbox? Or, impatient customers because you are in stock in your store? Yeah... no luck, the battery of the wireless doorbell died anyway, and of course, it always happens at the wrong time!&xa0; Incredible technology: guaranteed to work every time. We use a state-of-the-art automatic feeding mechanism that is reliable, robust and efficient.Additionally, the extended antenna gives you excellent coverage, passing through walls and panels without any problems. ECONOMIC AND ECO-FRIENDLY: No more inventory and batteries needed, save money by using a battery-free chime kit. Also, by avoiding battery replacements, you can make an ecological gesture by avoiding the long and complicated recycling of batteries. [Easy and quick installation]: no complicated programming or other dangerous operations. Choose the location of the doorbell and plug the doorbell into an electrical outlet. Then you can choose the ringtone volume and melody that suits you.