Zamel Wireless Doorbell with Button Classic ST-901

Wireless battery bell CLASSIC ST-901. Ideal as a doorbell, internal calling device or personal alarm. Suitable for home, restaurant, hotel, company or individuals who need "maintenance. No bell installation required. Optical bell alarm, suitable for example for people with hearing impairments. Bell and button powered by battery. Operating range*: 100m in open space. Button not suitable for operation in variable atmospheric conditions (IP20). 3 selectable sounds. Sound level 80 dB.