... : 120° Working Temperature: <50°C (Ta=25°C) Environment Temperature: -20~50°C Cover:only transparent availableRegarding our tube light1 ... ,15W,18W,20W,24W,48W2.available in transparent cover , we only made 6W,9W,10W,15W, ... , PCB led base board3.available in frost cover , we only made 9W,12W,15W,20W,24W ... base board4.available in both transparent and frost cover :9W ,15W ,24WDetailed features:1. There is ...