DuoFern Standard handheld transmitter with six channels This practical smart home remote control is designed for controlling DuoFern receivers. It is perfect for centrally controlling electric shutters, awnings and blinds or as an on/off control for light. Up to 48 DuoFern receivers, which are allocated to six groups, can be controlled manually. The groups are allocated to the six individually assignable keys. The integrated status LED indicates whether the command was received correctly. The handheld transmitter comes with a wall mount, but can also be carried anywhere thanks to the use of batteries. Functions / compatibility: - A subsequent adjustment of the end points and a change in the direction of rotation of the radio-controlled tubular motors are possible - Stable radio connection, "DuoFern" 434.5 MHz - All DuoFern products also act as repeaters - Made in Germany Technical information: - Supply voltage: 3 V - Battery type: 1 x CR 2450 (included) - Transmission frequency: 434.5