T4 Electronic Wall Lamp/Cabinet Lamp Features:1. Built-in electronic ballast.2. Built-in T4 fluorescent tube3. PVC body4. PC diffuser, elegant, strong and never fading5. Easy and quick to installation6. Widely use for largesize lighting project, such as Factory, Warehouse, Company, Office, Supermarket, Shop, Hotel , Airport , Bus Station, Railway Station, Subway, Hospital, Classroom, Restaurant, ...