u/Background_Bird2868

Hi I want to get into red light and I’m trying to learn about wattage and wavelength but it’s all very confusing can anyone tell me if this is a good device?

https://www.aliexpress.com/item/1005007037528412.html?spm=a2g0n.productlist.0.0.6137YpoMYpoMdy&browser_id=116ea1f5245d4bc6bb1a0befc093af7d&aff_platform=msite&m_page_id=bmqihmazfqcayzkn19da0b0786b2225176b77e7356&gclid=&pdp_ext_f=%7B%22order%22:%22461%22,%22eval%22:%221%22,%22fromPage%22:%22search%22%7D&pdp_npi=6@dis!GBP!283.72!86.60!!!372.44!113.68!@211b80f717765174129522316e396c!12000039276029776!sea!UK!0!ABX!1!0!n_tag:-29910;d:8ff8b6a3;m03_new_user:-29895;pisId:5000000203582448&algo_pvid=26fe5f10-2a4f-49a4-89c4-5fd1881e73e8&utparam-url=scene:search%7Cquery_from:%7Cx_object_id:1005007037528412%7C_p_origin_prod:&_universallink=1&fbclid=IwZXh0bgNhZW0CMTEAc3J0YwZhcHBfaWQKNjYyODU2ODM3OQABHtpiu6MQHKlIQ4nxJY28g3YzbH24fKY_pXKTEDKcDNuOIJSqV-7DX-MuHqW1_aem_dSD6GFnw-8pKQ9g3oea3bw?fbclid=IwRlRTSARQ9dpleHRuA2FlbQIxMABzcnRjBmFwcF9pZAo2NjI4NTY4Mzc5AAEeSKrjJMWJXAm8Z8gvgnRYr9_FuSjVc9MehhSTJ1tq2SJLHpfZC5DTKZjuTZs_aem_BoLe666CCiKGEmf2EesAlw