TECKNET Wireless Doorbell Battery-Free, Wireless Doorbell with Socket, Wireless Doorbell with 2 Transmitters

Original title: TECKNET Funkklingel Batterielose, Funkklingel mit Steckdose, Funk Türklingel mit 2 Sender

ENVIRONMENTALLY FRIENDLY Self-powered transmitter. Inside the transmitter is a micro-generator that generates electrical current and sends the signal to the receiver when pressed. No battery is required for the transmitter. PLUG-THROUGH DESIGN Thanks to the built-in socket of the plug-in doorbell, the number of free sockets is not reduced. 5 VOLUME LEVELS & 60 DIFFERENT RINGTONES With a selector switch on each doorbell to choose your individual favorite tone from 60 different melodies. The volume is adjustable in 5 levels between 0 and 110dB. In addition to the ringtone