This one gang designer wall switch can be operated from up to 20m away, by remote control. It has an attractive design, with a front panel of crystal tempered glass & LED indicator to help you locate the switch in darkness. Dimensions: 86mm x 86mm x 33mm Operating voltage: AC110V-240V/50 Hz~60 Hz. Rated load: each way?300W Self consuming power: Less than 1m A Operating environment:-20~45?, Less than 95%RH Life span:?100, 000 times Distance: 20m Frequency: 315/433 M Hz A 35mm back box is required for this switch (not supplied). IP Rating: IP20 Warranty: 3 Years Please note: The switch included is not a dimmer switch