Two-wire pull chain switch, activates canopy by gently tugging the beaded chain, compatible with most ceiling fans fan lights. Wiring Steps F Ceiling Fans: 1. Make the existing light switch has 2 wires. If there are 3 wires, A 3-wire switch is required. 2. Cut the two wires from the existing light switch using wire stripper. 3. Strip black wires around 1/2 inch. Wiring Steps F Ceiling Fans: 4. Connect one black wire from the light switch to one black wire from the ceiling fan. 5. Connect the other black wire from the light switch to the other black wire from the ceiling fan. Wiring Steps F Ceiling Fans: 6. connection between the wires using wire by twisting in a clockwise. 7. Connection of wires must be secured, otherwise, it may in fire hazard, electrical shock serious injury. col: Material:Metal and Plastic Package Contents: 2 x Ceiling Fan Light Switch Only the above package content, other products are not included. Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.