ZGSM series-H4 5050 version LED Streetlighting with the power from 40W to 200W; ZGSM series-H5 5050 version LED Streetlighting with the power from 50W to 240W; Advantagesa. System lumen efficacy up to 165 lm/wb. Philips Lumileds 5050 2D chipsc. Meanwell o