Self-Powered Doorbell, PDGROW Wireless Doorbell No Battery Required Cordless Door Chime Kit Push Button Waterproof at 500-feet Range with 38 Chimes, 4-Level Volume & LED Flash

This YS-yalot wireless doorbell has a microcurrent generator integrated in the transmitter. When it is pressed, the mechanical energy is converted into electricity and a signal is sent. Therefore, no battery is required. You will never worry about the battery running out and never miss any visits to relatives and friends. You will not miss every delivery either.<br>1 Transmitter, 1 Receiver and No Batteries RequiredThe wireless doorbell set requires no cables or batteries, protects the environment and saves money. So you don't have to worry about replacing the battery.<br>Over 150m Wireless RangeThis doorbell kit supports an industry-leading wireless working range of up to 150m / 500Ft in the open air. Suitable for indoor and outdoor use.<br>IP44 WaterproofThe sender works well in wet and dry conditions and can be easily installed indoor or outdoors. It can work from -4 ° F to 140 ° F. So you don't have to worry about bad weather outdoors such as rain, snow and scorching sun.<br>LED Indicator, Multiple Ringtones and 4 Volume Levels1. 38 different ringtones which you can choose;<br>2. Volume 0-110 dB, adjustable in four levels (when 0 dB is set, the LED indicator flashes when a visitor presses the button).<br><br>Parameters:Transmission power: Self-Powered<br>Doorbell Receiver Power Supply: AC 110V-230V, 50/60Hz<br>Power Consumption of Receiver: 0.25 W<br>Ringtones: 38 Melodies<br>Volume Levels: 4 Levels<br>Transmission Range: up to 152 m(in open area)<br>Operating frequency: 433 MHz<br>Working temperature: -4 °C to 140 °C

• 【Latest Push RF-Technology & Battery Free】This door chime is self-powered, does not require cables and batteries, protects the environment and saves your money. When the transmitter is pressed, it generates electric current itself and sends a stable signal to the receiver. Never worry about damaging the wall or doorbell when changing batteries!
• 【38 Ringtones & 4 Volume Levels】Our wireless stereo doorbell speaker delivers a rich and clear sound. It offers a wide range of 38 ringtones and 4 volume levels (including mute) to suit your personal taste. Press and hold the volume button to return to the first ringtone (Dingdong). With memory function, the wireless bell remembers your last settings after a power failure.
• 【No Crossalk & False Alarm】This wireless door bell has a strong penetration force and anti-interference. The range for multiple obstacles is up to 152 m (500 feet) and in open areas up to 305 m (1000 feet). It does not affect other devices in your home or your neighbours and ensures that you never miss a visitor, even if you are a few rooms away or are on another floor.
• 【Easy Installation】Simply connect the mini receiver to a socket and attach the transmitter to a wall with the included accessories, including 2 screws and a piece of self-adhesive tape. Our door bells can be used for home, apartment, school, country houses, office and more. This cordless chime without battery is also a nice Christmas gift, birthday gift or anniversary gift for any home or business owner.
• 【Quality Assurance & Satisfied Service】 our plug in doorbell is dustproof and IP44 waterproof and can withstand various harsh weather conditions. The push button can reach a maximum service life of 20 years of up to 150,000 clicks. We also offer 2 years warranty plus 60 days satisfaction or return policy. If you have any problems with our products, please contact us to find a satisfactory solution.