ZVD Wireless and battery-free outdoor doorbell, waterproof, IP 65, snow, rain, humidity, white

Wireless and Battery-Free Outdoor Doorbell, Waterproof, IP 65, Snow, Rain, Humidity [BATTERY-FREE = PEACE OF MIND]: Why choose a battery-free system stack? It's well known that batteries don't like humidity, sub-zero temperatures, and extreme heat at all. Rest assured, it's tailored to your needs. For outdoor use, the battery-free wireless doorbell has absolutely no fear of extreme weather conditions. [NEVER MISS YOUR PACKAGES]: Another notice in the mailbox? Or a customer getting impatient because you're out of stock at your store? And yes... tough luck, your wireless doorbell's batteries are still dead, and of course, it always happens at the wrong time! [ INCREDIBLE TECHNOLOGY]: Guaranteed operation every time, every shot! We use a state-of-the-art, high-speed self-retracting mechanism that's reliable, robust, and efficient. Plus, the extended antenna gives you excellent range, easily penetrating walls and ceilings. [ ECONOMICAL AND ECOLOGICAL ]: You no longer need to keep a supply