Alleviate your worries about bad lighting with this video light from Godox. It weighs 0.59 kg, so it's easy to carry around when you're taking pictures.
From Camix
Godox AD 200 Pro [Brand New]
The product is available from £275.61 at international stores.
Clifton Cameras
Godox AD200Pro - Witstro Flash with Battery
This product is also available at 1 unverified merchant.