The Mini-Ripper v2 is an excellent option for a square meter tent.
Customers have achieved 1.5g/W+ grows with the v1 version
Consists of
864 x Samsung LM301B LEDs.
Driven on a 94% efficient Mean Well HLG-320 driver.
For 3500K spectrum, according to the Samsung LED Calculator, the fixture has an approximate efficiency of 208.2lm/W pre-driver, and 195.7lm/W after driver losses, giving it 2.7uMol/J efficacy.