BCQLI 1 Pcs Transparent Foot Pedal Push Switch Inline Lamp Light On-off Control Footswitch Size: long 63mm,wide 26mm,high 14mm Property: the voltage 220V power is less than 100W Suitable: table lamp, floor lamp switch, opening and closing Installation: installation will cut wire stripping and both ends of the connection at both ends of the switch, forced press tight can be, such as strength is small, can use a small hammer knock in place, once closed tightly will very difficult to open, identifying the lines connected after the card again tight! Note: for your safety, let the professional electrician assist in the installation!