FK1-FSE-rw radio transmitter as door and window contact with solar cell, 1 channel, white

The radio transmitter KYMASGARD~ FK1 - FSE is a battery-free and maintenance-free window contact with ~~one channel. It generates energy by converting indoor light into electrical energy by means of a solar generator. It serves to monitor a status via a reed contact with magnet, of windows and doors. It transmits the status wirelessly to wireless actuators and radio receivers ~ gateways. It is suitable for attachment to window and door frames made of wood, glass and aluminum.