Quality Lucas L562 reproduction chrome plated cast metal (not plastic) cover with glass lens.
Interior & under bonnet/engine bay light, 13 SMD LED bulb included (optional bright or warm white).
As fitted to Land Rovers Series from the early 1950's plus Defenders upto 1994
The light measures approx 120mm long, 67mm wide 46mm high
Also reference 56060, 56061, 56062 & 56063 to fit
Austin A135 1956-60  Taxi FX4 2.2, Hire Car FL2 2.2; 1960
Armstrong Siddeley Sapphire 234 & 236 1956-on
VDP Princess 4 Litre L.W.B. Saloon (DS6), 4 Litre Limo (DM4);
Daimler Majestic Major DQ 450/1, Majestic Limo DR 450/1 interior or roof 1959-on;
Land Rover II A/ II B 100" 1964-on
Austin 1 1/2 ton (2.2 litre Petrol & Diesel), 2 ton (200), 3 ton (304), 4 ton (404) & Series IVFG Trucks (Forward Control) 1960; 152 Series (driving cab roof lamp) 1957-60. 
Morris Commercial 'J' Light Van and Pick-up Truck 1957-60; I. 2, 3 and 4 ton Forward Control Series IVFG Trucks 1960. 
Austin 152 Range (coach roof lamp) 1958-60. 
Morris 'Minibus' (interior) 1957-60.
Thanks for looking!