size:45x13x7mm (length, width, lamp pin spacing) Attributes: Voltage 220V-240V, power 28w, lamp holder G9, type halogen tungsten, 20 pieces in a box 1. It can be directly connected to the 220V-240V power supply without using a transformer 2. A number of safety designs and tests to ensure safety performance and prevent bursting 3. Anti-ultraviolet coating, effectively block ultraviolet rays Precautions: 1. The power supply should be cut off during installation and replacement when the lamp bead bulb is lit, the temperature should not be touched by hand to avoid burns 2. For your safety, you can also ask a professional electrician to install it to prevent electric shock Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.