100% brand new and high quality Description: Three speed switch can be used to switch three speed fans. Strong wind, medium wind and weak wind three gears of wind speed can be widely used for the fan speed of central air conditioning fan coils. By changing the three speeds of the fan, the fan air volume is adjusted so as to achieve the purpose of regulating the room temperature. Colour: White. Material: ABS. Dimensions: 8.6 x 8.6 x 5 cm. Operating voltage: 220V plusmn;10% 50/60Hz. Overload current: le;2A.- Current: le;2A. Mounting hole distance: 60 mm. Protection class: IP30. Temperature range. 16-30. Temperature measurement error. 0.5 . Output signal: 30mA. Three-speed switch can be used to switch the fan three speeds. - Strong wind, medium wind, weak wind third gear wind speed, can be widely used in the central air conditioning fan coil fan speed. - By changing the three speeds of the fan, the air volume of the fan can be adjusted so as to achieve the purpose of regulating the room temperature. The housing is made of ABS material, anti-collision and fireproof. - Made of durable material for long-term use. Product includes 1* controller (accessories other than the product are not included) Description. 1. Using different monitors, different computers, different angles of photography, there may be angle colour problems. 2. 2. Pure manual measurement, there may be 0-1cm error.