Single H-shape, more compact size
Material: high purity quartz glass
Voltage: 110 to 230V AC
Wattage: 23W
Base: E14
Lamp diameter: 12mm
Peak: 253.7nm or 253.7nm + 185nm
Average lifespan: 8,000 hours
Easy to install
External ballast is not needed
Applications: table lamps, kitchens, bed rooms, offices and elevators