Lamp Size:φ10cm/3.9", Height 24cm/9.4".Bulb base: E26(Bulb Not Included) Change Your Light: Convert a ceiling light into a pendant light. Install where there is already an E26 base. Those without an E26 base are not compatible.Adjust the height freely: Loosening the fixing ring and stowing the excess wire can then be realized. No wiring required: Direct mounting with E26 base connection. Holds the iron disk in place without tools.Place To Use: Suitable for various scenes, such as: Countertops, Study Room, Bedroom, Living room, Dining-Room, Sitting Room, Bar, Aisle, Hallway, Cafe, Shop, Balcony, etc. The 7.8-inch diameter suction cups can cover up the original holes, realizing your idea of converting a spotlight into a pendant light. Kindly NoticePlease allow 0.4-1.2″(1-3cm) error due to manual measurement and make sure you know before ordering.Any cooperation or bulb order are welcomed.Let's know your ideas.