Model: AB-S Spiral Advantages :Preheat start, Polarity protection, Low heat ,Low cost Rated Voltage:12V DC 24V DC Watt: 15W 20W 23W 25W Lifetime:8000 hours Lamp Base:E27,E14,B22,E26

• Preheating, high electronic efficiency.Polarity Protection

• Saves up to 80 % of energy compared to an incandescent bulb

• Extremely high number of switching cycles

• Easy to install by E27/Edison Socket or bayonet socket (B22)

• Low temperature and low voltage start

• Extremely high illumination efficiency

• Compact & robust product design