This is a Hubbell 12V 8W Dual-Lite Remote Light Fixture. Its model number is SRHDW. 

Application

• Injection molded thermoplastic lamphead/round mounting plate assemblies.

Features

• Style match for CV, CVEC, T-Grid, LM and AS emergency lighting units
• Injection molded thermoplastic lamphead/round mounting plate assemblies
• White fixture
• Mounts to 3.5" octogonal or single gang boxes
• Halogen