GreenBlue GB157 B Kinetic Battery-free Wireless Dorr Bell, Melodies, Black, Range up to 200m, IP44

Transmitter dimensions: 70 x 45 x 20 mm Receiver dimensions (WxDxH): 100 x 60 x 27 mm Maximum range: 200 m Frequency: 433.92 MHz Transmitter power supply:: self-powered Connection type: Wireless Number of melodies: 38 Volume control: Yes Product colour: Black Input voltage: 220 -240 V Power source type: AC/DC Package type: Box Batteries included: No Mounting kit: Yes Installation instruction: Yes Quantity: 1