adjustable height - these track pendant lights can be adjusted easily so you can raise and lower them whenever you want. you can also stagger the heights. after connecting to your h-type track, the length of the wire can be adjusted at any time thanks to the wire adjuster (no need to remove it). using the retractable function, it is possible to create a simplified arrangement like a piano keyboard, giving it a unique decorative touch. energy saving - led is recognized as one of the most energy-efficient lamps. these warm white led pendant lights with only 7w can provide a brightness equivalent to about 40w of incandescent lamp. while saving your electricity bill, it has a clean and retro look that will suit different interior designs. instant on - on your h track system, you can easily install the h-type pendant light, plug and play, safe and convenient. turn off the power, insert the product to the track, turn on the power and enjoy the light. Application - LED mini pendants are much