2 Rows of SMD LEDs. Direct replacement for conventional T8 fluorescent lamps with G13 base. Remove the fluorescent lamp, replace the fluorescent starter switch with Aurora's 'LED starter', fit the LED lamp. No danger of electric shock from the lamp pins during installation. For maximum energy saving bypass the magnetic ballast (electronic ballasts must be bypassed). Aluminium back for heatsinking of LEDs. Impact resistant clear polycarbonate diffuser. High power factor 0.90. Suitable for use at -20 to +40°C. Long life - 40,000 hours. 1kV Surge protection. Non-dimmable. 3 Year guarantee.