EGLO E27 LED Lampe, Amber Vintage Glühbirne, Leuchtmittel für Retro Beleuchtung, 4 Watt (entspricht 26 Watt), 270 Lumen, warmweiß, 2200k, Edison Birne ST48, Ø 4,8 cm : Amazon.de: Beleuchtung
Amazon.com: Schumacher SL923 1400-Lumen LED Rechargeable Work Light – 270° Adjustable Base – Three Lighting Modes – High Lumens – Charge Your Apple and Android Devices – USB Charging : Tools & Home Improvement
Amazon.com: Digital Light Meter (2PCS) - HOLDPEAK 881E Digital Illuminanc/Light Meter with 0.01~300,000 Lux (0.01~30,000 FC) Measuring Ranges and 270° Rotatable Detector for LED Lights and Plants Lumen Meter : Industrial & Scientific