Enhance your home security and convenience with this Self Powered Wireless Doorbell, featuring a sleek black and gold design crafted from durable ABS material. This innovative doorbell operates without batteries, using kinetic energy generated by pressing the button, making it an eco-friendly and maintenance-free solution. Equipped with a high-definition digital display, it shows real-time time, temperature, and humidity, providing valuable information at a glance. Key Features: · **Self Powered Transmitter:** No batteries required; pressing the button converts kinetic energy into electricity, ensuring reliable and eco-friendly operation. · **38 Unique Melodies:** Choose from 38 diverse music options, including global voice ringtones, with one-touch music switching to customize your alert sound. · **Adjustable Volume Levels:** Four volume settings, including mute flash mode, allow you to control the sound level to suit your environment. · **High Definition Digital Display:** Clear, bright PC board display shows time, temperature (°C/°F switchable), and humidity, enhancing user experience with easy readability. · **Long Wireless Range:** Utilizes a 433.92MHz FM signal for anti-interference transmission, penetrating walls easily with an effective range up to 100 meters. · **Waterproof Transmitter:** IP44-rated waterproof button suitable for outdoor installation, resistant to rain and moisture. · **Easy Installation:** Plug-and-play receiver design; simply plug the receiver into an outlet and attach the transmitter button to the wall using included double-sided tape. · **Wide Operating Conditions:** Functions reliably in temperatures from 0°C to 99°C and humidity levels from 0% to 99%, suitable for various climates. Specifications: · Item Type: Self Powered Wireless Doorbell · Material: ABS · Color: Black and Gold · Transmitter Power Supply: Self generating (kinetic energy) · Waterproof Level: IP44 · Operating Temperature: 0°C–99°C · Operating Humidity: 0%–99% · Operating Frequency: 433.92MHz · Melodies: 38 · Volume Levels: 4 (including mute flash) · Temperature Display: Celsius and Fahrenheit switchable · Time Display: 00:00 format Package Includes: · 1 x Self Powered Wireless Doorbell Receiver · 1 x Wireless Transmitter Button This wireless doorbell offers a convenient, energy-saving, and versatile solution for home or office use. Its long-range transmission, multiple melody choices, and clear digital display make it an ideal choice for enhancing your entryway with style and functionality.