What is this? This is a 3 Speed 4 Wire Switch Control Pull Chain Switch Replacement for home applications, mostly apply for Ceiling Fans, Wall Lamps, Cabinet Light. What will I get? Product Name: Ceiling Fan Switch Model: ZE-268S1 Function: OFF, L-1, L-2, L-3 Electrical Rating: 3A 250VAC/6A 125VAC Material: Plastic, Copper Color: Red, Gold Tone, Black Overall Size: 39.5x27.5x21mm(L*W*H) Nut size: 12x11mm(D*L) Package Content: 1/2Pcs x Pull Chain Switch Are there any advantages of the product? Adjustable Length - Switch comes with 120mm pull chain length, you can cut the desired length of the chain for installation. How to use it ? Disassemble the switch directly instead of cutting off the old switch circuit , pry off the upper and lower cover and pull out the wire, and then install the new switch. Just insert the thread head into the thread hole and fix it. Finally pull it down to see if it will fall. What should I notice? Make sure to record the position of all wires before removing the old switch.