Three-speed switch can be used to switch three-speed fan. Strong wind, stroke, weak wind third block wind speed, can be widely used in central air conditioning fan coil fan speed. By changing the fan's three-speed, adjust the fan air volume, and thus achieve the purpose of regulating the indoor temperature. Features - Color: White.- Material: PC.- Size: 8.6 x 8.6 x 5 cm.- Rated voltage: AC 220V, 50/60HZ.- Working voltage: 220V.- Overload current: 2A.- Three-speed switch can be used to switch three-speed fan.- Strong wind, stroke, weak wind third block wind speed, can be widely used in central air conditioning fan coil fan speed.- By changing the fan's three-speed, adjust the fan air volume, and thus achieve the purpose of regulating the indoor temperature.- The fixing frame is made of PC, which is impact-proof and fire-resistant.- Adopted from material, it is durable and long lasting use.Packing list: 1 x Air Conditioning Controller