Applicable Range: The LED stove appliance light bulb is suitable for most range hoods With SM Socket, it combines a flat edge for style and practical space efficiency. for diameter, 2.55-2.75in/65-70mm hole Ideal for cooker hood LED bulbs in space-limited range hoods Note: Please check whether your old lights are 12V DC input. Some cooker hoods are made with 120V 3V or other volts, which are not compatible High-Quality Material: The kitchen light bulb is made of a stainless steel frame and LED lamp beads, stable performance, easily dissipates heat Protection: Over-Current Protection, Short-Circuit Protection, Over-Voltage Protection, High Voltage Surges ProtectionThe new LED lights, can both work with new or old cooker range hoods. If the LED lights flicker, please switch off and turn it on again to activate its normal working