Enjoy hassle-free visitors alerts with the Ellies Secure Series kinetic wireless doorbell-a smart, low-maintenance solution for homes, flats and offices. The standout benefit is the wireless doorbell no battery button design: the transmitter is self-powered (kinetic), generating energy when pressed, so you don't have to worry about replacing button batteries over time.The AC receiver simply plugs into a wall socket for reliable power, while the system offers a strong max operating range of up to 150m, making it easy to place the chime where you'll hear it best. Customise your notifications with 36 chimes and 4 volume levels, so you can choose anything from subtle tones to louder alerts depending on your space. The chime memory function helps keep your selected ringtone saved, reducing the need to reconfigure settings.Designed for real-world outdoor placement, the transmitter carries an IP44 rating, offering added resistance to dust and splashes-ideal for front doors, gates and covered outdoor areas. Operating on a 433.92MHz frequency, it's built to deliver stable wireless performance for everyday convenience.