Battery-Free Wireless Doorbell: Waterproof 433MHz, Dual-Use Self-Powered, Elderly Call Button.

Experience the convenience and reliability of a battery-free wireless doorbell. Utilizing innovative self-powered technology, this device eliminates the need for batteries, ensuring continuous functionality. With its waterproof construction, it's perfect for outdoor use and can withstand various weather conditions. Operating at 433MHz, it provides a robust signal for reliable connectivity. Additionally, it offers dual-use capabilities, doubling as an elderly call button for enhanced home safety. Ideal for those seeking a sustainable and multi-functional solution, this doorbell combines modern convenience with thoughtful design. Power Supply Mode: Self-generated Voltage: 80-230 V Ring: 38/60 Power Consumption: 0.25 W Scope of Application: Home and commercial Manufacture country: China Instructions included: No