Factbox - Singapore Grand Prix

The following are key facts about Sunday's Singapore Grand Prix, the first Formula One race to be held at night:

*The anti-clockwise 5.067 km street circuit has 23 turns (10 right and 13 left) with a mix of short and longer straights. Maximum speeds are likely to be around 300 kph. McLaren calculate the average speed will be around 175 kph.

Formula One 2008

* The race will be run over 61 laps and a total distance of 309.087 km. Overtaking opportunities are most likely at turn one on the pit straight, turn 7 at Raffles Boulevard and turn 14 on Esplanade Drive.

*Organisers say the lighting will be four times brighter than the average floodlit soccer match or track and field event.

The system incorporates more than 108km of cabling with lights set up on some 240 pylons set 32 metres apart. Around 1,500 light projectors will produce a total of more than three million watts.

The power supply is independent of Singapore's own electricity grid and provided by 12 twin generators, each able to absorb the load of the other should one fail.

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* Electronic 'Digiflag' displays alongside the track will be used for the first time to supplement the traditional flags waved by marshals to communicate with drivers.

* Singapore GP Pte is the race promoter with a five-year renewable deal.