Specifications: Lamp size:φ10.43″/26.5cm, height:7.87″/20cm The whole wire length is 3.9ft（120cm） Track connector type: J-type 2-wire-1 track light Bulb Type: E26, 60W MAX . Bulbs Not Included You can install the type of bulb you like according to the needs of the ambient atmosphere. Package:3* Juno Track Pendant light Style: Simple Style/European Style/Vintage/Loft/Minimalist/Steampunk Applicable Space: 5-10 Square Application: Children room,Study Room, Bedroom, Living room, Dining-Room, Sitting Room, Bar, Hallway, Cafe, Shop, Balcony, etc. There is a twist switch on the lamp socket,you can use it to turn ON/OFF the light. Once you already have an alternative wall switch or dimmer, just keep the twist switch “ON” position, and you can control the light with your wall switch or dimmer. The twist ON/OFF switch on the socket is easily to control the light and meet your DIY idea(keep one light "ON" or 2 light "ON"). You can always find the style that suits your needs according to your ceiling height and space decoration, because we provide customized services for the length and color of the wire. Whether you are installing an Halo Type,Juno Type or L-Type track, you can find the track adapter you want here because we provide customized services for the track adapter. If you need to customize, please contact us. All customization requirements can be modified before shipment. Kindly Notice Please allow 0.4-1.2″(1-3cm) error due to manual measurement and make sure you know before ordering. All accessories are UL certified. Any cooperation or bulk order are welcomed.