This Lights Are Ok For Planted Tank?

[Vin Swords]

these r... 10w, 10,000K, 1500LM, SMD LED Flood lights.. cost arount £15 each

would 4 of this ok on a 400l planted tank?

 

[Vin Swords]

http/www.youtube.com/watch?v=zXMl_QLceww

 

[ian]

i'm sure you'd need more than 4 over a 400l, but i'm no expert on LED's, so someone will be along shortly.