Lights
Silver LED Light Panel, Offset 01 (POI)
CREATIVE: Requires no power and can be turned on/off when designing prefabs.
Harvest drops
Scrap Polymers× 1-2
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
Salvage drops
Electrical Parts× 1-4
Extra parts when salvaged with a wrench, ratchet or impact driver.
Drops when destroyed
Iron× 5
When it collapses
Falling, it leaves 
Scrap Metal Pile (75% of the time) where it lands.
Where to find (13 POIs)
Champions Coliseum (tier 5), Haven Hotel (tier 5), Shotgun Messiah Factory (tier 5), Fort Choppa (tier 4), Green Hill (tier 4), NEW Mamma Pizza (tier 2), Circuit Splits Station, Civic Square, Dr. William Neville's Home, Midway Hospital, Navezgane Public Library, Rogue Nerds Refuge, Zillion Tower.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.